Cut the Sprawl, Cut the Warming

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For years, while Washington slept, most of the serious work on climate change has occurred in the states, and no state has worked harder than California. The latest example of California’s originality is a new law — the nation’s first — intended to reduce greenhouse gas emissions by curbing urban sprawl and cutting back the time people have to spend in their automobiles.

For years, while Washington slept, most of the serious work on climate change has occurred in the states, and no state has worked harder than California. The latest example of California’s originality is a new law — the nation’s first — intended to reduce greenhouse gas emissions by curbing urban sprawl and cutting back the time people have to spend in their automobiles.

Passenger vehicles are the biggest single source of carbon dioxide in California, producing nearly one-third of the total. Meanwhile, the number of miles driven in California has increased 50 percent faster than the rate of population growth, largely because people have to drive greater distances in their daily lives.

The new law has many moving parts, but the basic sequence is straightforward. The state’s Air Resources Board will determine the level of emissions produced by cars and light trucks, including S.U.V.’s, in each of California’s 17 metropolitan planning areas. Emissions-reduction goals for 2020 and 2035 would be assigned to each area. Local governments would then devise strategies for housing development, road-building and other land uses to shorten travel distances, reduce driving and meet the new targets.

Article Continues: http://www.nytimes.com/2008/10/07/opinion/07tue2.html