California has already hit its 2020 greenhouse gas emissions goal
Hitting 2030's goal might be a little harder, though.
11 states sue EPA over attempt to reverse ban on ozone-harming HFCs
They claim the agency is skirting the law on climate-changing chemicals.
Investigators say China is behind illegal CFC emissions
Refrigerator factories are using the banned chemical because it's cheaper.
EPA scientific advisory board to review agency's recent rollbacks
It will assess the decision to reduce vehicle emission standards.
Treaty ending use of planet-warming HFCs takes effect in 2019
The question is whether or not the US will ratify it.
Federal report says humans are the cause of climate change
The findings of the congressionally mandated report are at odds with the Trump administration.
California continues to lead the US in renewable energy
But its greenhouse gas emissions reductions have stalled.
Research finds deadly heatwaves will occur more often
Even optimistic predictions show it getting worse.
Bacteria could lead to cleaner methane power
Organic fuel cells turn methane into electricity without harmful leaks.