Climate & Energy

Court upholds California’s cap-and-trade system

Two conservative groups sued to stop the state's year-old carbon-trading system. A judge told them tough luck.

Climate & Energy

Arizona utility scores tiniest possible victory in war on solar

The utility wanted to reduce payments to solar-panel owners by $50 to $100 a month. Instead it will be allowed to charge a $5 monthly fee.

Climate & Energy

The world is still losing its forests, and these beautiful satellite maps tally the toll

Deforestation is slowing in Brazil but picking up elsewhere. Meanwhile, climate change is ravaging forests around the Arctic and in the mountains of the American West.

Climate & Energy

Anti-fracking activists celebrate victory in a fourth Colorado city

A recount has revealed that a fracking moratorium narrowly succeeded in Broomfield, Colo., giving fracking foes a clean sweep of recent ballot measures in the state.

Climate & Energy

Looks like the Arctic has been heating up even faster than we thought

It's not easy to measure Arctic temperatures, and new research suggests that recent efforts have been underestimating the rate at which the region is warming.

Climate & Energy

Denial dries up: Americans finally seeing the light on climate change

In red states as well as blue, a majority of Americans believe climate change is happening and the government should do something about it, according to a decade's worth of polling results.

Climate & Energy

Look who’s eating your plastic now: A whole unprecedented ecosystem

We already had the biosphere and the atmosphere, but now we get the plastisphere, too.

Business & Technology

Walmart’s carbon emissions soar despite all that green talk

The mega-retailer has been bragging for years about its sustainability initiatives, but its carbon footprint just keeps getting bigger.

Climate & Energy

U.S. says poor countries’ calls for climate compensation could screw up climate treaty process

Developing countries don't just want the rich world to help them reduce emissions and adapt to climate change. Now they want compensation for "loss and damages."