Celebrities who are really good (and really bad) for the environment!

Retromixer has done some homework and compiled a list of the A-(environmenta)listers and the names who are not quite as heated up about global warming.
Everybody finds certain aspects of studying stressful. Exam worry is worldwide, there’s serious social scrutiny, and who could forget trying to avoid eye contact with the death stare of debt as it’s pupils continuously expand into a black hole?