Newsweek: After eight years of receiving George W. Bush’s cold shoulder, environmentalists are undoubtedly feeling more hopeful under an Obama presidency. Of the $787 billion in the stimulus bill, signed into law by the president on Feb. 17, $32.7 billion was allocated to green initiatives that will mean more environmentally friendly homes and more emphasis on renewable energy like solar and wind. But is the money enough? And at a time when the nation struggles to find its way out of an economic …