Livestock is a significant source of methane, a potent but short-lived greenhouse gas. from www.shutterstock.com

Why methane should be treated differently compared to long‑lived greenhouse gases

New research has suggested a fresh way to account for greenhouse gases with different lifetimes in the atmosphere.
The window for staving off the worst of climate change is wider than we thought, but still pretty narrow. Tatiana Grozetskaya/Shutterstock.com

Keeping global warming to 1.5 degrees: really hard, but not impossible

It’s still possible to hit the more ambitious of the two Paris global warming goals, according to a new estimate of the global carbon budget. But it sure won’t be easy, and we need to start now.

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