Government action isn't enough for climate change: The private sector can cut billions of tons of carbon

With President Trump’s announcement to pull the United States out of the Paris Agreement, many other countries around the world—and cities and states within the U.S.—are stepping up their commitments to address climate change.

But one thing is clear: Even if all the remaining participating nations do their part, governments alone can’t substantially reduce the risk of catastrophic climate change.

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