"Ethiopia and Zimbabwe have added their first biosphere reserves to the network of reserves created by the United Nations to halt the loss of biodiversity and promote sustainable development. One of the two new Ethiopian reserves protects the place of origin of the plant Caffea Arabica, believed to be the first species of coffee ever cultivated."

"The market for solar modules, a key element in solar power systems, is so strong that industry leader First Solar will not be able to meet demand this year, a senior executive was quoted as saying on Saturday."

"China will spend at least $1.76 billion to subsidize smaller, fuel efficient cars by 2012."

"If you happen to be wondering if it's any easier to get access to an oil-befouled public beach/wildlife refuge near Grand Isle, Louisiana, if you're teamed up with a fancypants PBS producer, I scouted out the answer today: No."

A computer simulation by the National Center for Atmospheric Research illustrates a scenario -- which some consider likely -- in which oil from the BP Gulf spill could spread as far north as Cape Hatteras by July.

"BP, already bedeviled by an out-of-control well spewing millions of gallons of oil  into the Gulf of Mexico, now finds itself with one more problem: Tony Hayward, its gaffe-prone chief executive."

"As greenhouse gas levels and temperatures rise, seasonal events that species rely on are slipping out of balance. Consequently, many plants’ and animals’ neighborhoods – their ecosystems – are changing rapidly. These changes are challenging the ways in which we've protected wildlife and the ecosystems on which they depend."

"Dutch prosecutors accused Trafigura AG of putting profits ahead of safety at the start of the company's criminal trial Tuesday, saying the oil trader hid hazardous waste in a ship that docked in Amsterdam in 2006 and then exported it illegally."

"BP shareholders are fleeing the company’s stock amid growing uncertainty about the ultimate bill for cleanup costs, lawsuits, fines and damage to the oil giant’s reputation."

A new viral disease that destroys cassava crops is spreading explosively in East Africa. Cassava, the world's third largest source of calories, is eaten by some 800 million people in Africa, South America, and Asia.