Gas prices are falling.

Americans are willing to deal with a 13 percent hike in electricity bills if it means more of their power will come from clean energy.

Twenty-six states are fighting for schools to teach evolution and climate change — a welcome change from school reformers who want to tear down those ideas.

Right under Japan’s Mount Fuji is a fault that could result in a magnitude-7 earthquake.

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The Forest Service and National Park Service are trying to protect trees from a climate-change-fueled pine beetle explosion.

Oil companies have invested $30 billion more in biofuels development than the U.S. government has.