climate change87
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Scientists Say They Now Know Why Antarctic Meltwater Stays Below Ocean Surface
Up to now, it has been a mystery why much of the fresh water resulting from the melting of Antarctic ice shelves ends up in the depths instead of floating above saltier, denser ocean waters. Scientists working along one major ice shelf believe they have found the answer.
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Ideology and Environmental Protection
With the phrase “climate change” disappearing from U.S. federal government websites and increased talk of regulatory overreach, it is obvious that protecting the environment will continue to be a fault line in American political ideology. However, though ideology will shape the nature and speed of response, the environmental problem is real and cannot be ignored.
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Antarctic Scientists Honor Obama by Collecting Climate Data
Researchers studying the West Antarctic Peninsula marine ecosystem will recognize President Obama’s efforts to combat global warming by collecting climate data at an oceanographic station they named for the 44th president.
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2016 Sets Another Record for Warmth
The news doesn’t come as a surprise to scientists and others who’ve been watching, but marks a milestone nonetheless: 2016 was the warmest year on record, dating back to the start of modern record keeping in 1880.
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Green Sahara’s Ancient Rainfall Regime Revealed
Rainfall patterns in the Sahara during the six-thousand-year “Green Sahara” period have been revealed by analyzing marine sediments, according to new research.
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What You Can Do to Keep Us Moving Forward on Climate
Many people are concerned that the Republican-controlled Congress and Trump’s administration will stop or reverse the progress the Obama administration has made on climate change. Here’s what you can do about it.
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James Hansen Honored for Pioneering Work in Climate Change Modeling
James Hansen, director of the Program on Climate Science, Awareness and Solutions at the Earth Institute and former director of the NASA Goddard Institute for Space Studies, is being honored with the BBVA Foundation Frontiers of Knowledge Award in Climate Change.
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How Climate Change Affects New York’s Plants and Animals
Climate change is already affecting New York, and these changes will have profound effects on its ecosystems, plants and animals. What are the implications of these projected changes?
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Environmental Science and Speaking Truth to Power
Denying the science of global warming is absurd, but accepting the science of climate change does not require decision-makers to accept the policy prescriptions of climate scientists.

Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
