California air board announces plan for carbon-credit trading. California's blueprint is the first comprehensive effort to combat global warming by any American state. [News Source]

White House tried to silence EPA proposal on car emissions. White House officials last December sought to stop the EPA from submitting a proposed rule that would limit greenhouse-gas emissions from new vehicles, agency sources said yesterday. [News Source]

Cost of tackling global climate change has doubled, warns Stern. The author of an influential British government report arguing the world needed to spend just 1% of its wealth tackling climate change has warned that the cost of averting disaster has now doubled. [News Source]

North Pole may be ice free for first time this summer. Arctic warming has become so dramatic that the North Pole may melt this summer, report scientists studying the effects of climate change in the field. [News Source]

Dominion’s coal-fired electric plant to advance. A Virginia regulatory board yesterday approved key permits for a new coal-fired electric plant in the state's southwest corner, handing Dominion Virginia Power a victory in a fight that encapsulates the nation's debate over coal power. [News Source]

Climate change likely to trigger global destabilization, report says. Illegal immigration, ethnic violence, humanitarian crises and national security issues will worsen during the next two decades because of global warming, according to U.S. intelligence agencies. [News Source]

One in five Welsh plants in danger. One in five wild plants in Wales are either extinct or threatened with extinction, according to a new survey. [News Source]

Report: Solving state’s tough environmental problems requires lifestyle changes. Anti-pollution laws have cleaned up the state's air and water, but a report says that solving some of the more intractable environmental problems won't happen unless residents change how they live. [News Source]

Killer virus fears as city’s famous colony disappears. Sheffield's most famous bee colony has buzzed off - and experts fear it may have fallen foul to the mystery virus which has wiped out billions worldwide. [News Source]

Extreme weather makes mild diseases deadly. Climatic extremes like frequent droughts and floods, associated with global warming, can trigger epidemics that could potentially wipe out livestock or wildlife. [News Source]

Global warming moves Costa Rica coffee land higher. Costa Rican coffee farmers are facing threats from climate change but the rising temperatures are also expanding high-altitude regions where the country's most prized beans are grown. [News Source]