Associated Press: A new kind of silent hero has joined the fight against climate change. Santa Coloma de Gramenet, a gritty, working-class town outside Barcelona, has placed a sea of solar panels atop mausoleums at its cemetery, transforming a place of perpetual rest into one buzzing with renewable energy. Flat, open and sun-drenched land is so scarce in Santa Coloma that the graveyard was just about the only viable spot to move ahead with its solar energy program. The power the 462 …