What stands in the way of all those climate plans? The election — and the filibuster.

This age-old Senate rule killed the last big U.S. climate bill. It could happen again.

What if a ‘green’ economic recovery isn’t the best thing for the climate?

It will take more than a rescue package to get us out of this mess.

Methane levels have hit a scary new high, two studies say

Global lockdowns haven't stopped the powerful greenhouse gas from surging.

Methane levels have hit a scary record high, new studies say

Global lockdowns haven't stopped this powerful greenhouse gas from surging.

UN gives airlines a break on emissions targets because, duh, COVID-19

Airlines: Give us a break! UN: Done.

UN gives airlines a break on emissions targets because, duh, COVID-19

Airlines: Give us a break! UN: Done.

Summer just started and the Arctic already topped 100 degrees

The 100.4-degree temperatures in Verkhoyansk, Russia, will likely set an Arctic record.

What greater good? COVID is unmasking America’s collective action problem

The debate over masks shows the limits of American cooperation.

Does city living spread coronavirus? It’s complicated.

"We have to make a distinction between density and overcrowding."

What lockdown? Traffic returns, and so do carbon emissions

It's almost like the pandemic never happened.