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Hopes are high that a bill aimed at curbing California sprawl will pass the state legislature and be signed into law by Gov. Arnold Schwarzenegger. The bill, SB 375, would channel transportation funding toward projects that encourage smart growth. Each of California's 17 metropolitan regions...  

Toxic chemicals pumped underground to break up seams of rock and increase oil and gas production have a fun nickname: fracking fluids, short for fracturing. (Go on, say it: frack!) But the fun stops there. Fracking fluids go largely unregulated, despite millions of gallons of use and hundreds of...  

More floods, storms, and droughts are a-comin', and the U.S. lacks funding to predict and prepare for 'em, say eight scientific organizations. The groups, including the American Geophysical Union and American Meteorological Society, made a plea Wednesday for Congress and the next U.S. president...  

Two coal-fired power plants in Colorado will be shut down -- not because green groups sued like crazy to make it happen, but because a utility volunteered. Citing concerns about public health and greenhouse-gas emissions, Xcel Energy asked permission of state regulators to close its coal plants...  

Back-to-school shopping doesn't have to be an exercise in conspicuously ungreen consumption. Eco-friendly school supplies made of recycled and organic materials are easier than ever to find. To give you just a taste of what's out there, we've rounded up a few fun, green products.