"...But many more rules remain on the books. They include regulations that allow mountaintop-removal mining projects to pollute streambeds with leftover dirt, and a Bush move to begin to permit drilling for oil and gas on the Outer Continental Shelf. Worse, they also include a drastic weakening of the Endangered Species Act, allowing federal agencies to bypass expert advice from federal scientists on whether proposed projects would have an impact on endangered species, essentially cutting the heart out of the act."