CO2 sensor network shows effects of metro growth (Update)

In February 2001, before the Olympic cauldron in Salt Lake City roared to life and focused the world's spotlight on Utah, scientists at the University of Utah placed the first of several carbon dioxide (CO2) sensors atop ...

Some climate change impacts may appear sooner than expected

For the 70,000 residents of the Marshall Islands, global climate change isn't a theoretical concern with far-off potential consequences. The island nation is nowhere more than six feet above the Pacific Ocean, and because ...

Ex-NASA expert issues call for climate solutions

Longtime NASA expert James Hansen has issued a call for new approaches to stop global warming, saying solutions are needed and that currently accepted targets are too dangerous.

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