What if net-zero isn’t enough? Inside the push to ‘restore’ the climate.

December 31, 1969 | ATLANTA

Cutting down on greenhouse gases to the point where they aren't accumulating in the atmosphere isn't enough to corral climate change; science needs to focus on actively removing carbon dioxide as well. That's according to a group of scientists who want more work on climate restoration, not just net-zero greenhouse gases. Kim Cobb weighs in on whether it may already be too late for some aspects of the environment.