global warming

How global warming leads to tiny horses and other shrinking mammals

By Nsikan Akpan

Ancient teeth reveal when the Earth gets warmer, mammals shrink consistently in size.

EPA chief: Carbon dioxide not primary cause of warming

By Matthew Daly, Associated Press

WASHINGTON — The new chief of the Environmental Protection Agency said Thursday he does not believe that carbon dioxide is a primary contributor to global warming, a statement at odds with mainstream scientific consensus and his own agency.

Want to cut carbon emissions? Try growing cement bricks with bacteria

By Nsikan Akpan, Matt Ehrichs

A North Carolina startup grows "biocement" bricks to circumvent the hefty load of fossil fuels needed for normal cement.

Column: Silencing the EPA will make America unhealthy again

By David Biello

What do we lose when the U.S. Environmental Protection Agency is gagged?…

Coral bleaching is killing reefs. Is the answer a great migration?

By Nsikan Akpan, Matt Ehrichs

Coral bleaching threatens a third of the planet's reef ecosystems, but can these creatures adapt? Take a voyage deep into the Atlantic Ocean, as the Nekton Mission searches for an answer.

Obama’s ‘bold, yet fragile’ climate legacy

By PBS News Hour

President Obama is passionate, and vocal, about combating climate change. As his tenure draws to a close, science correspondent Miles O’Brien reviews the administration's environmental policy -- from the 2009 “cap-and-trade” climate bill, to the 2015 Paris accord, to executive…

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Global warming hiatus didn’t happen, study finds

By Mark Fischetti, Scientific American

An independent study confirms NOAA didn't "cook the books" to dismiss claims of a global warming hiatus.

Massive amounts of carbon dioxide could leak from the soil by mid-century, study finds

By Leigh Anne Tiffany

The words “climate change” tend to invoke images of heat and storms and smog-filled air. But one of the greatest global warming risks may start in the ground.