Carbon trading gets a green light from the U.N., and Brazil hopes to earn billions

Activists protesting "greenwashing," in which a company or government appears to do more for the environment than it is, gather outside the JP Morgan premises near the COP26 U.N. Climate Summit.

Carbon offsets got a big boost from November’s U.N. climate summit. New rules could make it easier for companies to pay for carbon-cutting projects in other countries, rather than doing it themselves.

(Image credit: Alastair Grant/AP)

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