"As McDonald's today took the next step in recalling 12 million Shrek drinking glasses found to contain elevated levels of cadmium, both the company and the Consumer Product Safety Commission sought to tamp down concerns about the risk of the hazardous metal increasingly replacing lead in popular products."

As BP increased the amount of oil it siphoned to the surface from the leaking Gulf well, it became clear that the total amount leaking was greater than previously admitted.

"BP PLC's 582-page regional spill plan for the Gulf, and its 52-page, site-specific plan for the Deepwater Horizon rig are riddled with omissions and glaring errors, according to an Associated Press analysis that details how BP officials have pretty much been making it up as they go along. The lengthy plans approved by the federal government last year before BP drilled its ill-fated well vastly understate the dangers posed by an uncontrolled leak and vastly overstate the company's preparedness to deal with one."

"A growing number of Americans want the United States to regulate greenhouse gas emissions as the largest oil spill in U.S. history helps boost interest in petroleum alternatives, a poll by two universities found on Tuesday."

"The government and university researchers confirmed Tuesday that plumes of dispersed oil  were spreading far below the ocean surface from the leaking well in the Gulf of Mexico, raising fresh concern about the potential impact of the spill on sea life."

"The White House made clear on Tuesday what had been assumed for months – that it does not like a resolution sponsored by Senator Lisa Murkowski, Republican of Alaska, that would thwart the Environmental Protection Agency’s ability to regulate greenhouse gases."

"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."