Herald Sun: THE White House Energy and Climate Change adviser Carol Browner described the BP oil spill in the Gulf of Mexico as “probably the biggest environmental disaster we’ve ever faced in this country.” “It’s certainly the biggest oil spill and we’re responding with the biggest environmental response,” Ms Browner added. Speaking on NBC’s Meet The Press, she also admitted that following the failure of BP’s “top kill’ procedure, oil could continue to leak into the gulf until August when …