Geologists are coring samples from one of the world's only exposed sections of the Earth's mantle to uncover how a spontaneous natural process millions of years ago transformed CO2 into limestone and marble.
President Trump wants to eliminate federal support of a program that addresses the Great Lakes' most pressing environmental threats. The response from Republicans in Great Lakes states: No, thanks.
After another major coral bleaching event, a new study has concluded that securing a future for coral reefs "ultimately requires urgent and rapid action to reduce global warming."
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Researchers say 30 percent to 50 percent of the ice loss is due to natural variation in temperature and humidity, while human-caused warming is responsible for the rest.
The spring eagle migration usually coincides with the ice-out of Minnesota's lakes and rivers. But mild weather in February meant the ice broke up earlier than usual and also melted much of the snow dotting the ground.
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