A big element of the business story around climate change is risk. The risk to cities, states and countries, to businesses and the banks that invest in all of them. Some regulatory bodies, like the European Central Bank, require climate risk assessment. It’s possible the Federal Reserve may eventually as well. Molly speaks with Emilie Mazzacurati, who runs the climate data firm Four Twenty Seven, which was acquired by Moody’s last year. It uses big data analysis to help companies and governments figure out the risk climate change poses to them.

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