Oil on Nigerian coast after major Shell spill: NGO

An environmental group said Tuesday that an oil slick had approached Nigeria's coastline after a major Shell spill last week, but the company insisted that its spill had been largely dispersed.

Chevron Brazil says it will seal errant oil well

US energy giant Chevron said Tuesday it would seal and abandon an errant oil well which for the past week has seeped oil into waters off Brazil's Rio de Janeiro state.

Where's the Gulf oil? In the food web, study says

(AP) -- Scientists say they have for the first time tracked how certain nontoxic elements of oil from the BP spill quickly became dinner for plankton, entering the food web in the Gulf of Mexico.

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