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Climate
A glacier flows towards East Antarctica. NASA Goddard Space Flight Center / CC BY 2.0

Temperatures Possible This Century Could Melt Parts of East Antarctic Ice Sheet, Raise Sea Levels 10+ Feet

A section of the East Antarctic Ice Sheet that contains three to four meters (approximately 10 to 13 feet) of potential sea level rise could melt if temperatures rise to just two degrees above pre-industrial levels, a study published in Nature Wednesday found.

Researchers at Imperial College London, the University of Queensland, and other institutions in New Zealand, Japan and Spain looked at marine sediments to assess the behavior of the Wilkes Subglacial Basin during warmer periods of the Pleistocene and found evidence of melting when temperatures in Antarctica were at least two degrees Celsius above pre-industrial levels for periods of 2,500 years or more.

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iStock / Getty Images

Scientists Warn We May Be on Track for 'Hothouse Earth'

In two recent studies, scientists have looked into the future and into the past to see what might happen to the global climate if we fail to curb greenhouse gas emissions in time. The results are frightening.

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Climate
Moon with orange-colored troposphere band, the lowest and most dense portion of the earth's atmosphere. NASA

‘Powerful Evidence’ of Global Warming’s Effect on Seasons Found in Troposphere

By Daisy Dunne

Scientists studying the troposphere—the lowest level of the atmosphere—have found "powerful evidence" that climate change is altering seasonal temperatures.

A study published in Science finds that climate change has caused an increase in the difference between summer and winter temperatures across North America and Eurasia over the past four decades.

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Oceans
Weddell seals live around Antarctica and nearby islands. changehali / CC BY 2.0

Fishing Companies Halt Activities in Waters Proposed for Antarctic Sanctuary

The five companies responsible for 85 percent of krill fishing in Antarctica announced Monday that they would put a "voluntarily permanent stop" to fishing in vulnerable areas earmarked by conservationists for the world's largest ocean sanctuary, the Guardian reported.

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Climate
Icebergs calving from an ice shelf in West Antarctica. NASA / GSFC / Jefferson Beck / CC BY-SA 2.0

Good News From Antarctica: Rising Bedrock Could Save Vulnerable Ice Sheet

After last week's disturbing news that ice melt in Antarctica has tripled in the last five years, another study published Thursday offers some surprising good news for the South Pole and its vulnerable West Antarctic Ice Sheet (WAIS).

The study, published in Science by an international research team, found that the bedrock below the WAIS is rising, a process known as "uplift," at record rates as melting ice removes weight, potentially stabilizing the ice sheet that scientists feared would be lost to climate change.

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The tongue of Antarctica's Thwaites Glacier, which is melting at an accelerated pace. NASA ICE / James Yungel / CC BY 2.0

Antarctic Ice Melt Has Tripled in Five Years

Ice melt in Antarctica has tripled in the last five years, according to the most comprehensive assessment of the state of South Pole ice to date, published in Nature Wednesday.

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Christian Åslund / Greenpeace

Greenpeace Finds Microplastics and Hazardous Chemicals in Remote Antarctic Waters

Another day, another sign of the reach of the global ocean plastics crisis. A Greenpeace expedition to Antarctica turned up microplastics in more than half of ocean water samples taken in the world's southernmost waters. It also found chemicals dangerous to wildlife in a majority of snow samples, Greenpeace reported Wednesday.

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April 2018 Temperature. NOAA

We Just Experienced 400 Straight Months of Unusual Warmth

April 2018 was the 400th consecutive month of global temperatures above the 20th century average, the National Oceanic and Atmospheric Administration ( NOAA) announced Thursday.

That means the last time Earth was cooler than that average was December 1984—the same month Band Aid released "Do They Know It's Christmas."

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Animals
Weddell seals. U.S. Geological Survey

Antarctic Seals Help Scientists Track Melting Ice Sheet

Scientists studying the warming waters and salinity of the Southern Ocean's Amundsen Sea—which surrounds the Thwaites and Pine Island glaciers, two of the largest and fastest-retreating glaciers in Antarctica—are using a novel method to collect data.

They temporarily glued sensors onto the fur of Antarctic seals. Really.

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