From the Washington Post:
With Washington lawmakers deadlocked on how best to curb global warming, state and local officials across the country are adopting ambitious policies and forming international alliances aimed at reducing greenhouse gases.
The initiatives, which include demands that utilities generate some of their energy using renewable sources and mandates for a reduction in emissions from motor vehicles, have emboldened clean-air advocates who hope they will form the basis for broader national action. But in the meantime, some businesses say the local and state actions are creating a patchwork of regulations that they must contend with...
Recently, 22 states and the District of Columbia have set standards demanding that utilities generate a specific amount of energy -- in some cases, as high as 33 percent -- from renewable sources by 2020. And 11 states have set goals to reduce greenhouse gas emissions by as much as 80 percent below 1990 levels by 2050.
California also has passed legislation mandating that automakers reduce their vehicles' carbon dioxide emissions 30 percent by 2016, and 10 other states have committed to adopt the same standards if the law survives a court challenge.
In addition, as many as 10 states in the Northeast are working to establish state-by-state ceilings for carbon dioxide and other greenhouse gases, and allow industries such as power plants to trade pollution credits for carbon emissions while cutting greenhouse gas emissions 10 percent by 2019. California, Oregon and Washington are negotiating a similar pact.
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