- Arctic seabirds adapt to climate change
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- Bird color variations speed up evolution
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- A 'cousin' of the giant panda lived in what is now Zaragoza, Spain
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- Geologists map prehistoric climate changes in Canada's Yukon Territory
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- Arctic sea-ice loss didn't happen by chance
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- Study finds surprising Arctic methane emission source
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- Northern Canada feels the heat: Climate change impact on permafrost zones
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- Polar bears evolutionarily five times older and genetically more distinct: Ancestry traced back 600,000 years
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- Duck-billed dinosaurs endured long, dark polar winters
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- Why letting salmon escape could benefit bears and fishers
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- Long-term studies detect effects of disappearing snow and ice
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- New mechanism of past global warming? Thawing permafrost 50 million years ago led to global warming events
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- Vegetation cover affects the speed of snowmelt in tundra regions
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- New report on the state of polar regions
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- Good news for Norwegian polar bears: PCBs levels down
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- Signs of thawing permafrost revealed from space
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- In wild winter, citizen scientists see where and why birds traveled
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- Hot zones for grizzly bear encounters mapped
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- Increase in Arctic shipping is risk to marine mammals
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- Unexpected crustacean diversity discovered in northern freshwater ecosystems
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- Sea ice drives arctic air pollutants, NASA finds
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- Thickest parts of Arctic ice cap melting faster
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- Unusual weather: Arctic sea ice decline may be driving snowy winters seen in recent years in N. Hemisphere
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- Even in winter, life persists in Arctic Seas
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- Bird stewards increase the effectiveness of protected beaches
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- Global permafrost zones in high-resolution images on Google Earth
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- Research yields better seasonal climate forecasts
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- Deconstructing a mystery: What caused Snowmaggedon?
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- Invasive alien predator causes rapid declines of European ladybugs
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- Less summer Arctic sea ice cover means colder, snowier winters in Central Europe
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- Arctic is already suffering the effects of a dangerous climate change
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- Was the Little Ice Age triggered by massive volcanic eruptions?
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- New study may answer questions about enigmatic Little Ice Age
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- What do killer whales eat in the Arctic?
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- Injecting sulfate particles into stratosphere won't fully offset climate change
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- Low temperatures enhance ozone degradation above the Arctic
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- Cold winters caused by warmer summers, research suggests
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- Two new standard reference materials for monitoring human exposure to environmental toxins
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- Russian river water unexpected culprit behind Arctic freshening, researchers find
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- Russian runoff freshening Canadian Arctic, NASA finds
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- Powerful mathematical model greatly improves predictions for species facing climate change
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- Climate change may happen more quickly than expected
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- Abrupt permafrost thaw increases climate threat, experts say
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- Carbon cycling was much smaller during last ice age than in today's climate
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- Trees on tundra's border are growing faster in a hotter climate
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- Duck's boon might be a turtle's bane: Overturned duck nest boxes can be death traps for turtles
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- Humans and climate contributed to extinctions of large Ice Age mammals, new study finds
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- From tropics to poles: Study reveals diversity of life in soils
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- Polar bears ill from accumulated environmental toxins
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- Genome of the brown bear sequenced; Scientists hope to learn about adaptations to climate change
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- Young and thin instead of old and bulky: Researchers report on changes in Arctic sea ice after return of research vessel Polarstern
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- Increasingly precise data on radiation reflected from the Arctic sea area
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- Why climate models underestimated Arctic sea ice retreat: No Arctic sea ice in summer by end of century?
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- Arctic sea ice continues decline, hits second-lowest level
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- Polar oceans in transition
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- Unprecedented Arctic ozone loss last winter
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- Unprecedented Arctic ozone loss occurred last winter
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- Model provides successful seasonal forecast for the fate of Arctic sea ice
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- Arctic sea ice reaches minimum 2011 extent, making it second lowest in satellite record
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- Arctic sea ice nears minimum extent
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