Scripps News: When it comes to energy and the environment, there’s a lot for activists on both sides of the debate to like and to loathe about the proposals offered by presidential candidates Barack Obama and John McCain. California environmental activist Alan Sanders credits both candidates with pushing to lower greenhouse gas emissions, but fears that neither is paying enough attention to protecting the Earth’s natural treasures. “What you hear a lot is, ‘Well, we’ll do this, and we’ll do …