Christian Science Monitor: The success of the environmental movement in calling attention to the dangers of global warming has led to an ironic outcome: It’s become easier for the public to adopt a passive approach as we wait on world leaders to sign emissions treaties or huge corporations to "go green." This Earth Day, stop waiting! There are new ways for you to fight climate change in your own backyard. One of the most promising models is called "Community Choice Aggregation." CCA is the …