Reviving elusive goal, Obama calls for one-third reduction in US oil imports. Washington Post

Obama goal to cut oil imports is well within reach. Associated Press

Obama embraces natural gas vehicles, with reservations. Dallas Morning News

Radiation rises in seawater near Fukushima plant. Guardian

US Drops to 3rd in clean-energy Investment: Pew. SolveClimate News

California raises renewable energy requirement. Wall Street Journal

Japan disaster raises questions about backup power at US nuclear plants. New York Times

Winter Arctic ice coverage tied for lowest ever recorded. Anchorage Daily News

NH House votes to repeal cap-and-trade program. Associated Press

What’s behind our conflicted feelings on nukes? Associated Press

Japan radiation levels uncertain: Should evacuation zone be bigger? Christian Science Monitor

Arctic sea ice tied for smallest ever. The Hill

A major expansion of coal mining planned in Wyoming’s Powder River Basin. Los Angeles Times

California global-warming law: California’s bid to curb global warming could soon get back on track. Los Angeles Times

Germany set to abandon nuclear power for good. Associated Press

First North Pole ozone hole forming? National Geographic News

Most Americans want pause on new nuclear plants: poll. Reuters.

No urgent changes seen for US nuclear plants. New York Times

Natural gas becomes the safe energy bet. New York Times

Japan holds the line in nuclear plant crisis. CNN

Britain joins countries urging their citizens to leave Tokyo. Guardian

U.S. calls radiation ‘extremely high’ and urges deeper caution in Japan. New York Times

Japan crisis spreads doubts in nuclear countries. Associated Press

EPA proposes regulating mercury from coal plants. Associated Press

Greenhouse gases: House panel advances bill to block EPA regulations. Los Angeles Times

U.S. energy chief: don’t delay new nuclear plants. Reuters

Could global warming be causing recent earthquakes? Montreal Gazette

Germany suspends power station extension plans as nuclear jitters spread. Guardian

Study: Navy needs to prepare for climate change. Associated Press

Climate researchers: Russian heat wave was natural. Associated Press

Obama vows to dampen fuel prices, calls for energy reform. Reuters

Study: Ice sheets melting, sea level rising faster than previously thought. Washington Post

Eco-farming could double food output of poor countries, says UN. Reuters

Waxman angrily assails GOP ‘science deniers.’ New York Times

House GOP spending bill aims to slash environmental regulation. Los Angeles Times

Shifting spring: Arctic plankton blooming up to 50 days earlier now. Washington Post

E.P.A. struggles to regulate natural gas industry. New York Times

Some House GOP freshmen, faced with a choice, prefer spending cuts over suspending EPA climate rules. ClimateWire

Is EPA greenhouse-gas plan a job killer? History might offer clues. Christian Science Monitor

Gas drillers recycle wastewater, but risks remain. New York Times

China issues warning on climate and growth. New York Times