John Upton

John Upton is a former Grist news blogger. He tweets, posts articles to Facebook, and blogs about ecology.

coastal ghosts

Ghost forests are eerie evidence of rising seas

As saltwater inundates their roots, coastal trees are dying off.

oh snap and dividend

California cap-and-trade program faces major hurdles

State lawmakers passed an ambitious climate bill, but it might be undermined.

air crud

“Smoke waves” from wildfires are getting worse — and getting more people sick

Air pollution during the worst smoke waves is expected to worsen more than 400 percent.

Climate & Energy

We’re starting to understand just how Zika and climate change go together

Scientists try to narrow in on the way warmer, weirder weather helped the disease spread.

Climate & Energy

30 million dead trees could make California wildfires even worse

As if the state's firefighters weren’t already busy enough.

Climate & Energy

California’s drought isn’t going away anytime soon

El Niño winters normally flood the state with rain and snow -- but this one was different.

Climate & Energy

Dungeness crabs threatened by, you guessed it, climate change

Ocean acidification is bad for crab larvae, and the fishermen who rely on them.

Climate & Energy

Climate change made catastrophic coral bleaching 175 times more likely

A new study compares the probability of coral-bleaching ocean temperatures occurring with and without the effects of global warming

Climate & Energy

Washington state will vote on a carbon tax this fall — but it’s complicated

The ballot initiative sparked a debate over what's better: a carbon tax or cap-and-trade.