Correction: Greenhouse Gases-California-Things to Know story

SACRAMENTO, Calif. — In a story April 29 about Gov. Jerry Brown's new target for reducing carbon emissions, The Associated Press reported erroneously that California has cut its emissions to about 25 percent below 1990 levels. The state is on track to cut its emissions to 1990 levels by 2020 but does not plan to reduce emissions beyond that before 2020.

A corrected version of the story is below:

Things to know about California's plan to cut emissions

Things to know about California's ambitious plan to cut down greenhouse gas emissions

By JULIET WILLIAMS

Associated Press

SACRAMENTO, Calif. (AP) — Here are some things to know about California Gov. Jerry Brown's new target for reducing carbon emissions that contribute to climate change.

WHAT DO THE NUMBERS MEAN?

Brown set a goal for the state to reduce emissions to 40 percent below what they were in 1990. Countries set that year as a benchmark for climate change when they signed on to the U.N. Kyoto Protocol, an international treaty to address global warming.

The rules will likely apply to California municipalities and businesses rather than residents. Business groups warn that tougher standards will drive up the cost of fuel, housing, transportation and other necessities, hurting the working poor.

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WHAT DID HE DO?

Brown did not spell out how to do it, but he supports pending legislation aimed at doubling electricity from renewable sources, halving the amount of gasoline used on roads, and making buildings twice as energy efficient.

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WHY DID HE DO IT?

Like his predecessor, Gov. Arnold Schwarzenegger, Brown wants California to be seen as an international leader on climate change. He has signed carbon-reduction treaties with foreign countries, states and provinces Brown says unchecked climate change is an economic and social threat to California.

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California has already cut its emissions and is on track to meet its goal of reaching 1990 levels by 2020. It gets a quarter of its electricity from sources such as wind and solar and has stringent vehicle-emissions rules.