CNET: The massive government economic stimulus plan now in Congress would reduce pollution that causes global warming and lower energy bills for many Americans, according to an analysis published on Thursday by environmental watchdog Greenpeace. The primary purpose of the stimulus package–said to be in the range of $825 billion to $900 billion in government spending and tax cuts–is to jump-start the ailing U.S. economy. Greenpeace commissioned climate change consulting firm ICF …