About half of global warming is driven by pollutants that aren’t carbon dioxide. There are several of these “super pollutants” — so named because of their outsized ability to increase global temperature even in very small amounts.

Food’s role in climate change has emerged as one of the defining challenges of our time. The journey of a steak, fruit or salad from the vast expanses of agricultural lands to the plates on our tables leaves a significant footprint on the environment.