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A civil war is brewing in polar science The polar bear — the symbol of both climate change and an area warming four times faster than the rest of the world — is the king of fat. As climate change rapidly melts earth's ice, sides are being drawn among scientists on whether—and how—science should intervene to save it.

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New research by a team of top ice and climate scientists debunks some speculative technological climate fixes for preserving the polar ice caps. Present since the last ice age, most of the world's glaciers are now shrinking or disappearing altogether as the climate gets warmer. Refreezing the melting sea ice in the arctic is complicated

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Is funding geoengineering experiments to curb the effects of climate change.

How is climate change affecting polar regions Climate change is amplified in the polar regions The northern and southern reaches of the planet are warming faster than any area on earth, with the arctic ocean and air temperatures rising twice as much as elsewhere The greenland and antarctic ice.

They also have substantial consequences for polar ecosystems, including polar bears and emperor penguins, which have become iconic symbols of the impacts of climate change. The pro side argues rising levels of atmospheric greenhouse gases are a direct result of human activities such as burning fossil fuels, and that these increases are causing significant and increasingly severe climate changes including global warming, loss of sea ice, sea level rise, stronger storms, and more droughts. The arctic has lost about 12% of its ice every decade since satellite records began in 1979, equaling about 1.16 million square miles of ice (3 million square kilometers),an area bigger than. Exactly when that will happen is being influenced by humans, according to a new study, as melting polar ice alters the earth's rotation and changes time itself.

The interior of the antarctic continent and the east antarctic ice sheet, considered unlikely to be affected by climate warming in the past, are also showing signs of change

The southern ocean is also warming faster than expected Why are the polar regions particularly vulnerable to climate warming? A new study finds the terrestrial part of the arctic has shifted from being a greenhouse gas sink to being a source Another finds that el niño undermines antarctic ice shelves by intensifying.

Science animals as the ice melts, polar bears are failing to find enough food on land 6 minute read an aerial view of the glaciers and a polar bear in svalbard and jan mayen, norway, on july 15, 2023. By century's end, polar bears worldwide could become nearly extinct as a result of shrinking sea ice in the arctic if climate change continues unabated, scientists said. Polar bears are considered endangered in the u.s And are listed as vulnerable by the iucn, because their sea ice habitat is under threat from climate change.

About sea ice today the arctic is warming faster than anywhere else on the planet, and as a result, sea ice in the arctic ocean is decreasing

Sea ice today began as a way to make sea ice science and analysis more relevant and. Over the last 40 years, annual arctic sea ice measurements show ice shrinking by 12.6 percent each decade, a pace of decline that's unmatched by any point in at least the last 1,500 years. The antarctic ice sheet covers nearly 5.4 million square miles, and area larger than the united states and india combined, and contains enough ice to raise the ocean level by about 190 feet. Learn about global warming and the consequences to our environment from increased wildlife extinction rates to acidic oceans and polluted air.

Every summer, the arctic ice cap melts to what scientists call its minimum before colder weather begins to make ice cover increase This visualization shows the expanse of the annual minimum arctic sea ice for each year from 1979 through 2022, with a graph overlay. Antarctica's ice sheet, ice shelves and sea ice are all diminishing at an accelerating rate This continuing ice loss could send the planet's climate system into an exacerbating feedback loop

Identifying tipping points in technology and human behaviour is crucial to limiting global warming to 1.5c.

In an interactive article titled if all the ice melted, national geographic invites you to explore the world's new coastlines if sea level rises 216 feet The maps here show the world as it is now, with only one difference All the ice on land has melted and drained into the sea, raising it 216 feet and creating new shorelines for our continents and inland seas. as the article. Carbon brief has dug through the literature on polar bears and climate change and spoken to experts from around the world to determine what a changing climate means for polar bears

Polar bears are a symbol of the threat climate change has to the world's biodiversity and evolution This bear was uncovered from svalbard archipelago Polar bears depend on the sea ice to survive and they need it to continue their future stability Using this ancient genome, researchers hoped it would help provide.