Workers in Oakland, Calif., check the damage to Interstate 880 on Oct. 19, 1989; this portion of the freeway had collapsed during the Loma Prieta earthquake two days earlier. Paul Sakuma/AP hide caption

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West Coast's Early Warning System For Quakes Still Spotty

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Strong gusts in Palm Springs, Calif., generate plenty of energy, thanks to turbine farms. But being able to store all of that energy is just as important. Kevork Djansezian/Getty Images hide caption

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Could Big Batteries Be Big Business In California?

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Southern California's San Onofre Nuclear Generating Station, shown here in April 2012, was closed after small radiation leaks. Lenny Ignelzi/AP hide caption

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Environmentalists Split Over Need For Nuclear Power

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PG&E, a Northern California utility company, is already experimenting with big batteries to store wind-generated electricity at its Vaca-Dixon Substation. Richard Harris/NPR hide caption

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Big Batteries Needed To Make Fickle Wind And Solar Power Work

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Puddled meltwater very likely primed this ancient edge of the Antarctic's Larsen Ice Shelf to rapidly disintegrate over just several weeks. This view of the splintered mix of frozen bergs is from a Feb. 21, 2002, satellite image. Landsat 7 Science Team/NASA/GSFC hide caption

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Ready — Or Not. Abrupt Climate Changes Worry Scientists Most

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Wind turbines twirl above farmland on the outskirts of Madison, Wis. Not all locals are pleased. Scott Olson/Getty Images hide caption

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Slashing Fossil Fuel Consumption Comes With A Price

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Andres Quiroz, an installer for Stellar Solar, carries a solar panel during installation at a home in Encinitas, Calif. Sam Hodgson/Bloomberg via Getty Images hide caption

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Tech Leaders, Economists Split Over Clean Energy's Prospects

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By Accident, Scientists Discover Lakes Beneath Greenland

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The chimneys of the Kolaghat Thermal Power Station loom above a field flooded for rice farming near Mecheda, West Bengal, India, in July 2011. Dibyangshu Sarkar/AFP/Getty Images hide caption

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What's In It For U.S. To Cut Greenhouse Gas Emissions?

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At Climate Meeting, Tensions Rise Between Rich And Poor Nations

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This map from the NOAA Environmental Visualization Laboratory shows the amount of heat energy available to Typhoon Haiyan between Oct. 28 and Nov. 3. Darker purple indicates more available energy. Typhoons gain their strength by drawing heat out of the ocean. The path of the storm is marked with the black line in the center of the image. NOAA Environmental Visualization Laboratory hide caption

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Why Typhoon Haiyan Caused So Much Damage

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Orangutans can get exercise and look down their noses at zoo visitors, thanks to cables that stretch from one side of the primate habitat to the other. Karen Bleier/AFP/Getty Images hide caption

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For A New Kind Of Commute, Some Eye The Sky

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A lone emperor penguin makes his rounds, at the edge of an iceberg drift in the Antarctic's Ross Sea in 2006. John Weller/AP hide caption

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Delegates To Debate Watered-Down Plan For Antarctic Marine Preserve

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Diplomats Try For Deal Protecting Marine Life Near Antarctica

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Fuel Efficiency Standards Live On After 1973 Oil Embargo

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