The E.T. actress warned readers in a recent post on her personal blog that the Earth, like an unhappy wife, may one day decide to give up on its inhabitants who have failed to attend to her needs. But “if you take care of her, she will love you back,” she wrote. Drew Barrymore is one of Hollywood’s most visible eco-activists, stumping for animal rights and advocating against animal-tested cosmetics. She has also launched the home goods line, Flower Home, and the beauty line, Flower Beauty, which market themselves as being both affordable and environmentally friendly. In her blog post,...