News bites: Shell stalls in Arctic as sea ice approaches

Encroaching sea ice forced Royal Dutch Shell to delay drilling in the Chukchi Sea, about 70 miles off Alaska’s coast, the day after it began, USA Today reports.

Harassment of climate scientists appears to be a U.S. phenomenon, notes Inside Climate News.

When money is not an issue, two studies show there is enough wind to power the whole world, reports The Associated Press.

The European Union is putting a cap on crop-based biofuels out of concerns that they are not as climate-friendly as once thought, according to Reuters.

Talking Points Memo evaluates GOP presidential candidate Mitt Romney’s plan for U.S. energy independence.

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