California has long been seen as a leader on climate change. The state’s history of aggressive action to reduce air pollution, accelerate the use of renewable energy and speed the transition to a low-carbon, climate-resilient economy has inspired governments around the world to set more ambitious climate goals.
But there is trouble on the horizon, and California’s climate leadership is at risk.
Across most of the state’s economy, greenhouse gas emissions have been trending steadily down. But ballooning car traffic on city streets and freeways is negating much of that progress. In California, about 40 percent of greenhouse gas emissions are from transportation, and they are increasing. In some California counties, two-thirds of emissions are from vehicles.
[For more on this story by Scott Wiener and Daniel Kammen, go to https://www.nytimes.com/2019/0...tml#nws=mcnewsletter]
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