California Gov. Jerry Brown, right, shakes hands with former Gov. Arnold Schwarzenegger, left, after signing a climate bill on Treasure Island in San Francisco July 25. Brown and Schwarzenegger back the nation’s only cap-and-trade system to reduce greenhouse gases in all industries.
California Gov. Jerry Brown, right, shakes hands with former Gov. Arnold Schwarzenegger, left, after signing a climate bill on Treasure Island in San Francisco July 25. Brown and Schwarzenegger back the nation’s only cap-and-trade system to reduce greenhouse gases in all industries. Eric Risberg AP
California Gov. Jerry Brown, right, shakes hands with former Gov. Arnold Schwarzenegger, left, after signing a climate bill on Treasure Island in San Francisco July 25. Brown and Schwarzenegger back the nation’s only cap-and-trade system to reduce greenhouse gases in all industries. Eric Risberg AP

Opinion

California system lets the market decide the best way to clean up emissions

July 31, 2017 12:26 PM

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