EcoWatch: On Sunday, Natural Resources Defense Council and Waterkeeper Alliance will join 350.org, Sierra Club and many other partners in holding the Forward on Climate Rally in Washington, D.C. This will be the largest climate rally in American history, with tens of thousands of people expected. From rejecting the Keystone XL tar sands pipeline to limiting carbon pollution from our nation`s dirty power plants, President Barack Obama`s legacy will rest squarely on his response, resolve, and leadership in solving...