Pesquisando por: "Arctic ice" - Fotoarena - Agência de fotojornalismo

ny300424122407 The frozen Beaufort Sea, a marginal sea of the Arctic Ocean, March 17, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny030524110008 HEADLINE: Inside a Navy Submarine Navigating the ArcticCAPTION: Crew members out on the ice on march 16, 2024, after the USS Hampton, a Los Angeles class submarine, emerged from several feet of thick ice in the Arctic Ocean during a three-week operation to assess its readiness. A New York Times photojournalist embarked on the nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. CREDIT: (Kenny Holston/The New York Times/Fotoarena)

ny010524164408 Cew of the USS Hampton, a Los Angeles class submarine, out on the ice after surfacing in the Beaufort Sea during Operation Ice Camp, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424114907 U.S. Navy personnel clear the ice from the hatch of the fast-attack submarine USS Hampton after surfacing in the Beaufort Sea, a marginal sea of the Arctic Ocean during Operation Ice Camp, March 17, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424114707 Cmdr. Michael Brown of the fast-attack submarine USS Hampton operates one of two periscopes to scan the surface while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 17, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424120607 A U.S. Navy sailor prepares food in the galley across from the mess hall aboard the fast-attack submarine USS Hampton while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424115707 U.S. Navy officers play cribbage in the wardroom of the fast-attack submarine USS Hampton while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424115407 Members of the crew of the fast-attack submarine USS Hampton review digital readouts of underwater ocean sounds around them while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 17, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424122206 U.S. Navy sailors assigned to the fast-attack submarine USS Hampton carry out their duties in the attack center of the Hampton while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424115007 A U.S. Navy sailor assigned to the fast-attack submarine USS Hampton walks along a passageway while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean during Operation Ice Camp, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424115906 Chief Petty Officer Theodore Donley aboard the fast-attack submarine USS Hampton, which has no Wi-Fi and zero cell service while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424114407 Master Chief Petty Officer Jacob Green, center, standing, the USS Hampton?s chief of the boat, supervises two helmsmen in steering and diving the fast-attack submarine under the ice while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean during Operation Ice Camp, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424115606 Photos displaying his military lineage surround Cmdr. Michael Brown in the captain?s quarters of the fast-attack submarine USS Hampton while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424121107 The ?cover,? or hat, of Cmdr. Michael Brown hangs in the fast-attack submarine USS Hampton while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424120007 A torpedo tube aboard the fast-attack submarine USS Hampton while underway in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424145009 U.S. Navy personnel carry out their duties in temperatures of minus-40 degrees Fahrenheit after the fast-attack submarine USS Hampton surfaced in the Beaufort Sea, a marginal sea of the Arctic Ocean during Operation Ice Camp, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424114607 U.S. Navy personnel carry out their duties in temperatures of minus-40 degrees Fahrenheit after the fast-attack submarine USS Hampton surfaced in the Beaufort Sea, a marginal sea of the Arctic Ocean during Operation Ice Camp, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424120807 Two U.S. Navy attack submarines, the USS Hampton, right, and the USS Indiana, broach the ice in the frozen Beaufort Sea, a marginal sea of the Arctic Ocean, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424122507 A Bell UH-1 helicopter used to transport personnel to and from surfaced submarines lifts off from Ice Camp Whale on an ice floe in the Beaufort Sea, a marginal sea of the Arctic Ocean during Operation Ice Camp, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424121807 The northern lights appear over Ice Camp Whale on an ice floe in the Beaufort Sea, a marginal sea of the Arctic Ocean during Operation Ice Camp, March 16, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424121907 Matthew Pesce, head of operations at the Arctic Submarine Laboratory, looks out from a Bell UH-1 helicopter as he works with colleagues to locate spots for the fast-attack submarine USS Hampton to surface during Operation Ice Camp, March 15, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424120507 U.S. Navy specialists work to locate a spot for the fast-attack submarine USS Hampton to surface on a large ice floe in the Beaufort Sea, a marginal sea of the Arctic Ocean, March 15, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424120907 Ice Camp Whale, a clutch of winterized tents and a small command center on a large ice floe that itself moves about a half-mile an hour on the frozen Beaufort Sea, a marginal sea of the Arctic Ocean, March 15, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

ny300424122106 A member of the crew from the Royal Canadian Air Force prepares gear at an airport in the remote Alaskan town of Deadhorse during Operation Ice Camp in the Arctic, March 15, 2024. A New York Times photojournalist embarked on a nuclear-powered attack submarine to see how the Pentagon is training for a potential war below the frozen sea. (Kenny Holston/The New York Times/Fotoarena)

RC2CC4ADZ3W7 Glaciology Professor Jorgen Peder Steffensen holds up a sample in the archive of the University of Copenhagen's Niels Bohr Institute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/ Tom Little

RC2CC4A095DY Glaciology Professor Jorgen Peder Steffensen removes a sample from the archive of the University of Copenhagen's Niels Bohr Institute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/ Tom Little

RC2CC4A20WMG Glaciology Professor Jorgen Peder Steffensen holds up a sample in the archive of the University of Copenhagen's Niels Bohr Institute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/ Tom Little

RC2CC4ABNG4N Glaciology Professor Jorgen Peder Steffensen holds up a sample in the archive of the University of Copenhagen's Niels Bohr Institute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/ Tom Little

RC2CC4A93RTM Glaciology Professor Jorgen Peder Steffensen holds up a sample from the archive of the University of Copenhagen's Niels Bohr Institute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/ Tom Little

RC2CC4AUGSX8 Glaciology Professor Jorgen Peder Steffensen removes a sample from the archive of the University of Copenhagen's Niels Bohr Institute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/ Tom Little

RC2CC4ACYN7J Glaciology Professor Jorgen Peder Steffensen holds up a sample from the archive of the University of Copenhagen's Niels Bohr Institute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/ Tom Little

RC2CC4ADOJYS Glaciology Professor Jorgen Peder Steffensen removes a sample from the archive of the University of Copenhagen's Niels Bohr Institute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/Tom Little

RC2CC4AURKX7 Glaciology Professor Jorgen Peder Steffensen removes a sample from the archive of the University of Copenhagen's Niels Bohr Institute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/Tom Little

RC2CC4AHWECF Glaciology Professor Jorgen Peder Steffensen walks through the archive of the University of Copenhagen's Niels Bohr Intitute, where samples of ice cores drilled in the Arctic and Antarctic are stored, in Copenhagen, Denmark, November 13, 2023. REUTERS/Tom Little

RC2AVL9O97XL FILE PHOTO: An aerial view of floating ice taken by a drone launched from Greenpeace's Arctic Sunrise ship in the Arctic Ocean, September 15, 2020. Picture taken September 15, 2020. REUTERS/Natalie Thomas/File Photo

RC2XHN9TMJX6 FILE PHOTO: Floating ice is seen during the expedition of the The Greenpeace's Arctic Sunrise ship at the Arctic Ocean, September 14, 2020. REUTERS/Natalie Thomas/File Photo/File Photo/File Photo

RC2FQL925K2O FILE PHOTO: Floating ice is seen during the expedition of the The Greenpeace's Arctic Sunrise ship at the Arctic Ocean, September 14, 2020. REUTERS/Natalie Thomas/File Photo/File Photo

RC29IN9JP8FN FILE PHOTO: General view of the first large bit of ice seen by the crew of the Greenpeace's Arctic Sunrise ship at the Arctic Ocean, September 14, 2020. REUTERS/Natalie Thomas/File Photo

RC2XEL930FFJ FILE PHOTO: An aerial view of floating ice taken by a drone launched from Greenpeace's Arctic Sunrise ship in the Arctic Ocean, September 15, 2020. Picture taken September 15, 2020. REUTERS/Natalie Thomas/File Photo

RC2FGL9A0B49 Greenpeace's Arctic Sunrise ship navigates through floating ice in the Arctic Ocean, September 15, 2020. Picture taken with a drone. REUTERS/Natalie Thomas

RC29IN9AK0ZX FILE PHOTO: General view of the first large bit of ice seen by the crew of the Greenpeace's Arctic Sunrise ship at the Arctic Ocean, September 14, 2020. REUTERS/Natalie Thomas/File Photo

RC29IN98SDVZ FILE PHOTO: Floating ice is seen during the expedition of the Greenpeace's Arctic Sunrise ship at the Arctic Ocean, September 14, 2020. REUTERS/Natalie Thomas/File Photo

RC29TN9OC2E3 FILE PHOTO: An estimated 35,000 walruses are pictured are pictured hauled out on a beach near the village of Point Lay, Alaska, 700 miles northwest of Anchorage, in this September 2014 handout photo. According to scientists, the congregation of Pacific walruses -- one of the largest ever -- was prompted by a lack of sea ice which the walruses use to rest in Arctic waters, according to scientists. REUTERS/Corey Accardo/NOAA/NMFS/AFSC/NMML/Handout via Reuters/File Photo

RC2W5L9ZFZ53 FILE PHOTO: Greenpeace's Arctic Sunrise ship navigates through floating ice in the Arctic Ocean, September 15, 2020. Picture taken with a drone. REUTERS/Natalie Thomas/File Photo

RC2Q3L9JEBE6 FILE PHOTO: Greenpeace's Arctic Sunrise ship navigates through floating ice in the Arctic Ocean, September 15, 2020. Picture taken September 15, 2020. Picture taken with a drone. REUTERS/Natalie Thomas/File Photo

RC2780A5I45E A general view of sea ice in the arctic ocean close the coast of Svalbard, Norway, April 5, 2023. REUTERS/Lisi Niesner

RC2TH0A310XF At the world?s northernmost year-round research station, scientists are racing to understand how the fastest-warming place on Earth is changing ? and what those changes may mean for the planet's future. But around the tiny town of Ny-Aalesund, high above the Arctic circle on Norway?s Svalbard archipelago, scientific data is getting harder to access. And sometimes it?s vanishing before scientists can collect it. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY TEMPLATE OUT

RC2KH0AOWDND At the world's northernmost year-round research station, scientists are racing to understand how the fastest-warming place on Earth is changing - and what those changes may mean for the planet's future. But around the tiny town of Ny-Aalesund, high above the Arctic circle on Norway?s Svalbard archipelago, scientific data is getting harder to access. And sometimes it?s vanishing before scientists can collect it. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY TEMPLATE OUT

RC2XB0AK0HOP NPI (Norwegian Polar Institute) scientists ride their snowmobiles as the sun sets at the banks of Kongsfjord and the Kronebreen glacier near Ny-Aalesund, Svalbard, Norway, April 10, 2023. Researchers have been studying the polar region for decades, with Ny-Alesund's weather records going back more than 40 years, but as Svalbard temperatures climb up to seven times faster than the global average, scientists' work has become vitally important because what happens in the Arctic can impact global sea levels, storms in North America and Europe, and other factors far beyond the frozen region. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

RC2XB0AAANMB The Kronebreen glacier and its crevasses are seen as the sun sets near Ny-Aalesund, Svalbard, Norway, April 10, 2023. Researchers have been studying the polar region for decades, with Ny-Aalesund's weather records going back more than 40 years, but as Svalbard temperatures climb up to seven times faster than the global average, scientists' work has become vitally important because what happens in the Arctic can impact global sea levels, storms in North America and Europe, and other factors far beyond the frozen region. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

RC2KB0AFQFD5 A taxidermied polar bear and Arctic fox are seen at the Kings Bay AS service building and canteen in Ny-Aalesund, Svalbard, Norway, April 10, 2023. Ny-Aalesund has only about 35 year-round residents but, in summer, the population swells to more than 100 as scientists fly in from across the world to the town, where the daily life centers around its diversions - a sauna, a sled dog yard, and a weekly nighttime gathering called "Strikk og Drikk," or "Knit and Sip," during which residents stitch sweaters over a glass of wine. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

RC2C80AQ4989 CNR (Italian National Research Council) station leader Ombretta Dell’Aqua, 43, stands lookout for polar birds while Paul Scherrer Institute Switzerland chemist Francois Burgay, 34, prepares to take a snow sample to detect molecules connected to Phytoplankton bloom, next to Gruvebadet aerosol sampling station in Ny-Aalesund, Svalbard, Norway, April 5, 2023. Filling plastic test tubes with snow, Burgay looks for chemical signals from marine algae blooms that travel from the ocean to the atmosphere and are later deposited in the snow, and once these signals are identified, there is hope that scientists will be able to use them to understand how the Arctic waters changed in the past and project how they might change in the future. "One of the special things about this place is there are a lot of different scientists. I'm a chemist. There are biologists, geologists," he said. "It's one of the few places in the world where these kinds of exchanges are so informal and so spontaneous." REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

RC2DA0AE8ZEQ Blue ice is seen at frozen Kongsfjord near Ny-Aalesund, Svalbard, Norway, April 8, 2023. Researchers have been studying the polar region for decades, with Ny-Aalesund's weather records going back more than 40 years, but as Svalbard temperatures climb up to seven times faster than the global average, scientists' work has become vitally important because what happens in the Arctic can impact global sea levels, storms in North America and Europe, and other factors far beyond the frozen region. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

RC2CA0A2X6JG A reindeer is seen near Ny-Aalesund, Svalbard, Norway, April 8, 2023. Researchers have been studying the polar region for decades, with Ny-Alesund's weather records going back more than 40 years, but as Svalbard temperatures climb up to seven times faster than the global average, scientists' work has become vitally important because what happens in the Arctic can impact global sea levels, storms in North America and Europe, and other factors far beyond the frozen region. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

RC2090AS0XGG French AWIPEV logistics engineers Tommy Jegoue (right) and Apolline Pibarot release a weather balloon into the stratosphere to measure weather parameters in Ny-Aalesund, Svalbard, Norway, April 6, 2023. Researchers have been studying the polar region for decades, with Ny-Alesund's weather records going back more than 40 years, but as Svalbard temperatures climb up to seven times faster than the global average, scientists' work has become vitally important because what happens in the Arctic can impact global sea levels, storms in North America and Europe, and other factors far beyond the frozen region. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

RC2S90AX7ALK An ice core from the Broggerbreen glacier, extracted by CNR (Italian National Research Council) scientists, shows cryoconite layers made of a combination of bacteria, soot and small rock particles that build up on the snow and glaciers near Ny-Aalesund, Svalbard, Norway, April 7, 2023. Researchers have been studying the polar region for decades, with Ny-Aalesund's weather records going back more than 40 years, but as Svalbard temperatures climb up to seven times faster than the global average, scientists' work has become vitally important because what happens in the Arctic can impact global sea levels, storms in North America and Europe, and other factors far beyond the frozen region. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

RC2780A1N901 The Kronebreen glacier is seen in Kongsfjord, near Ny-Aalesund, Svalbard, Norway, April 5, 2023. Researchers have been studying the polar region for decades, with Ny-Alesund's weather records going back more than 40 years, but as Svalbard temperatures climb up to seven times faster than the global average, scientists' work has become vitally important because what happens in the Arctic can impact global sea levels, storms in North America and Europe, and other factors far beyond the frozen region. REUTERS/Lisi Niesner SEARCH "NIESNER ICE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

ny030623160305 **EMBARGO: No electronic distribution, Web posting or street sales before 3 am. ET on Sunday, June 4, 2023. No exceptions for any reasons. EMBARGO set by source.** Participants in an Operation Nanook-Nunalivut, patrol, an arctic military exercise, appear as a row of dots on the field of ice and snow, at Rankin Inlet in the Nunavut territory of Canada, March 10, 2023. CanadaÕs military is learning Arctic survival strategies from its austere Nunavut territoryÕs only inhabitants: the Indigenous Inuit. (Nasuna Stuart-Ulin/The New York Times/Fotoarena)

ny030623155505 **EMBARGO: No electronic distribution, Web posting or street sales before 3 am. ET on Sunday, June 4, 2023. No exceptions for any reasons. EMBARGO set by source.** A sun dog, an optical phenomenon from light refraction by ice crystals in the atmosphere, at Rankin Inlet in the Nunavut territory of Canada, March 8, 2023. CanadaÕs military is learning Arctic survival strategies from its austere Nunavut territoryÕs only inhabitants: the Indigenous Inuit. (Nasuna Stuart-Ulin/The New York Times/Fotoarena)

ny200223120007 The Aurora Hotel in Deadhorse, Alaska, on Feb. 17, 2023. As quickly as the national craziness over downed objects began, the United States called off the search, leaving answers encased in Arctic ice and under the whitecaps of Lake Huron. (Brian Adams/The New York Times/Fotoarena)

ny200223114606 The frozen Arctic Ocean, where the wreckage of a balloon is suspected to be located near Deadhorse, Alaska, on Feb. 17, 2023. As quickly as the national craziness over downed objects began, the United States called off the search, leaving answers encased in Arctic ice and under the whitecaps of Lake Huron. (Brian Adams/The New York Times/Fotoarena)

ny040223141606 Geese huddle with ice forming on their wings on a partially frozen Charles River in Boston, Mass. on Saturday, Feb. 4, 2023. Temperatures across the northeastern United States fell drastically overnight on Saturday, with wind speeds rapidly increasing, as the region faced some of the coldest wind chills in decades. (Sophie Park/The New York Times/Fotoarena)

ny201022152607 -- STANDALONE PHOTO FOR USE AS DESIRED WITH YEAREND REVIEWS -- An ice cave in the Scott Turner Glacier in Spitsbergen, Norway, on April 21, 2022. The ice cave is shrinking as the glacier melts. This one could collapse by next season. (Erin Schaff/The New York Times/Fotoarena)

ny220522183105 An ice cave in the Scott Turner Glacier in Spitsbergen, Norway, on April 21, 2022. The ice cave is shrinking as the glacier melts. This one could collapse by next season. (Erin Schaff/The New York Times/Fotoarena)

ny190522204306 An ice cave in the Scott Turner Glacier in Spitsbergen, Norway, on April 21, 2022. The ice cave is shrinking as the glacier melts. This one could collapse by next season. (Erin Schaff/The New York Times/Fotoarena)

ny220522182305 Nico Mookhoek, a guide with Green Dog Svalbard, inside an ice cave in the Scott Turner Glacier in Spitsbergen, Norway, on April 21, 2022. He took a new route to the glacier this year because of exposed rocks and boulders on the old one. (Erin Schaff/The New York Times/Fotoarena)

ny190522203706 Nico Mookhoek, a guide with Green Dog Svalbard, inside an ice cave in the Scott Turner Glacier in Spitsbergen, Norway, on April 21, 2022. He took a new route to the glacier this year because of exposed rocks and boulders on the old one. (Erin Schaff/The New York Times/Fotoarena)

ny061121143906 A long-abandoned building that was once part of a military facility is now a canvas for polar bear-themed artwork in Churchill, Manitoba, Canada, Oct. 29, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny061121142707 A tour group visits a polar bear holding facility known as "bear jail" near the airport in Churchill, Manitoba, Canada, Oct. 31, 2021. Bears that don't behave are held at the airport hanger and eventually airlifted about 70 kilometers north, where there are even fewer people. (Damon Winter/The New York Times/Fotoarena)

ny061121143105 A polar bear cub is dwarfed by a tundra crawler filled with tourists in the Churchill Wildlife Management Area in Churchill, Manitoba, Canada, Nov. 1, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny081121184905 Polar bears spar as a way of exercising to prepare for their hunting season in the Churchill Wildlife Management Area in Churchill, Manitoba, Canada, Nov. 1, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny061121141805 Polar bears spar as a way of exercising to prepare for their hunting season in the Churchill Wildlife Management Area in Churchill, Manitoba, Canada, Nov. 1, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny140823135306 FILE Ñ A polar bear carefully uses stepping stones along the shore of a frozen pond with very thin ice in the Churchill Wildlife Management Area in Churchill, Manitoba, Canada, Nov. 1, 2021. So-called Òepigenetic clocksÓ are helping wildlife biologists estimate the ages of animals far more easily than in the past. (Damon Winter/The New York Times/Fotoarena)

ny081121184605 A polar bear carefully uses stepping stones along the shore of a frozen pond with very thin ice in the Churchill Wildlife Management Area in Churchill, Manitoba, Canada, Nov. 1, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny061121142905 An employee dressed in a polar bear costume on Halloween at the Lazy Bear Lodge in Churchill, Manitoba, Canada, Oct. 31, 2021. Despite their ubiquity, polar bears have been a weak economic engine for the town. (Damon Winter/The New York Times/Fotoarena)

ny061121142305 Jasper Hunter, 10, goes trick-or-treating as an Among Us character on Halloween in Churchill, Manitoba, Canada, Oct. 31, 2021. Townspeople drive behind trick-or-treaters to protect them from polar bear attacks, a real danger. (Damon Winter/The New York Times/Fotoarena)

ny061121141205 A polar bear shelters from the wind among rocks at Bird Cove in Churchill, Manitoba, Canada, Oct. 29, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny061121141405 The Northern Lights above a train crossing on the outskirts of Churchill, Manitoba, Canada, Oct. 29, 2021. Some residents hope the Northern Lights can replace polar bears as a tourist attraction. (Damon Winter/The New York Times/Fotoarena)

ny061121142105 Government-subsidized apartments, which make up more than half of the town's housing, in Churchill, Manitoba, Canada, Oct. 29, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny081121184405 A resting polar bear keeps an eye on some human observers as he waits for the sea ice to arrive on Hudson Bay near Churchill, Manitoba, Canada, on Oct. 29, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny081121185106 A polar bear rests during what many expect to be an excrucitatingly long wait for the sea ice to arrive on Hudson Bay near Churchill, Manitoba, Canada, on Oct. 29, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny061121141606 Train cars at the grain port in Churchill, Manitoba, Canada, Oct. 29, 2021. In Churchill, climate change is not a looming danger. It imbues daily life. (Damon Winter/The New York Times/Fotoarena)

ny271221200205 Researchers attach a satellite tracking collar to a female polar bear in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny251221191705 Researchers attach a satellite tracking collar to a female polar bear in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny271221195904 A tranquilized polar bear, in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny251221191405 A tranquilized polar bear, in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny271221200305 Tranquilized polar bears awaken, in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny251221191904 Tranquilized polar bears awaken, in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny271221195805 Rolf Arne Olberg, a veterinarian, prepares a tranquilizer dart to be fired at a polar bear from a helicopter, in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny251221191304 Rolf Arne Olberg, a veterinarian, prepares a tranquilizer dart to be fired at a polar bear from a helicopter, in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny271221200105 Researchers with polar bear cubs, in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny251221191605 Researchers with polar bear cubs, in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny271221195605 A polar bear asleep on shore in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny251221191105 A polar bear asleep on shore in Longyearbyen, Norway, April 29, 2021. Since 1987, scientists at the Norwegian Polar Institute, which has an outpost on Svalbard, an Arctic archipelago, have staged annual field trips into the icy wilderness to find and study SvalbardÕs polar bears. (Anna Filipova/The New York Times/Fotoarena)

ny220521134805 Russian soldiers near a cargo plane at the Trefoil Base on Franz Josef Land, Russia?s northernmost military outpost, on May 17, 2021. Though the Russian military has little in common with liberal Western politicians or environmental groups like Greenpeace, it is taking ice melt in the Far North seriously. (Emile Ducke/The New York Times/Fotoarena)

ny220521135705 A Russian soldier stands near a church on Franz Josef Land, Russia, on May 17, 2021. Though the Russian military has little in common with liberal Western politicians or environmental groups like Greenpeace, it is taking ice melt in the Far North seriously. (Emile Ducke/The New York Times/Fotoarena)

ny220521135205 Russian soldiers near Trefoil Russia, on May 17, 2021. Though the Russian military has little in common with liberal Western politicians or environmental groups like Greenpeace, it is taking ice melt in the Far North seriously. (Emile Ducke/The New York Times/Fotoarena)

ny220521135504 Russian military personnel aboard a cargo plane during a flight to Trefoil, Russia, on May 17, 2021. Though the Russian military has little in common with liberal Western politicians or environmental groups like Greenpeace, it is taking ice melt in the Far North seriously. (Emile Ducke/The New York Times/Fotoarena)

ny220521135805 A memorial to Soviet soldiers of the World War II era in the port of Murmansk, northern Russia, on May 16, 2021. Though the Russian military has little in common with liberal Western politicians or environmental groups like Greenpeace, it is taking ice melt in the Far North seriously. (Emile Ducke/The New York Times/Fotoarena)

ny220521140605 Russian soldiers on the Battlecruiser Peter the Great, at its Arctic base of Severomorsk, Russia, on May 13, 2021. Though the Russian military has little in common with liberal Western politicians or environmental groups like Greenpeace, it is taking ice melt in the Far North seriously. (Emile Ducke/The New York Times/Fotoarena)