By BILLIE STANTON ANLEU billie.stantonanleu@gazette.com -The meaning of Earth Day wasn't lost on Colorado Springs Utilities board members Wednesday, as more than two dozen citizens urged them to consider more renewable energy sources and to heed escalating climate change.The two-hour parade of speakers seemed to touch on every conceivable benefit of clean energy, from promoting peace and increasing national security - by deterring wars over oil and gas - to protecting residents' health, especially that of poor and minority residents, by eliminating coal pollution.Bob Powell, who has a Ph.D.