Demand for carbon offsets is growing, but are they worth the downsides?

Many of the largest countries in the world have committed to ambitious plans to go carbon neutral by midcentury. But carbon neutral does not mean zero emissions. It means reducing emissions, but also offsetting them. This week on the weekly look at climate solutions, The Big Fix, The World’s Anna Kusmer explains what offsets are, how they’re used, and whether or not they’re worth the downsides.