Gristmill

Climate & Energy

140 nations — including the U.S. — agree on treaty to slash use of mercury

The U.N. agreement -- still to be signed -- would cut mercury in power production and common manufacturing processes.

Cities

Good news for Kabul’s Tourism Bureau: The city’s air is unhealthy, but not full of feces

It is, however, unsafe to breathe.

Politics

Obama: ‘We will respond to the threat of climate change’

In his second inaugural address, the president made a strong call for climate action.

Politics

Biden drops by the Green Inaugural Ball to say thanks

It wasn't Biden's only stop last night.

Living

There’s a hole in my plastic-bag law

In Alameda County, Calif., stores are getting around the new plastic-bag ban by calling plastic bags "reusable."

Climate & Energy

There’s too much garbage for just two garbage patches

Scientists have discovered a new floating garbage island off the coast of Chile.

Business & Technology

Boeing’s efficient Dreamliner planes are especially efficient at battery fires

The 787 is designed to be a "super-efficient" airplane, but the batteries that make that efficiency possible have been causing big problems.

Climate & Energy

More than half the U.S. is still in drought, and it’s likely to last through April

A little winter isn't going to stop the worst drought in decades.

Climate & Energy

Oil companies turn to trains instead of Enbridge’s leaky pipes

Canadian pipeline company Enbridge is losing business as oil companies increasingly ship their product by rail instead of pipeline.

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