It isn’t a big deal yet, but if this has a measurable effect on the coming elections, it will be seen in retrospect as a big, big deal:

Democratic strategists are joining forces with conservative evangelicals to promote a faith-based campaign on global warming, in an improbable alliance that could boost Democratic hopes of taking control of Congress.

At a news conference today, the president of the Christian Coalition and a board member of the National Assn. of Evangelicals — both groups closely tied to the religious right — will announce Call to Action, an effort to make global warming a front-and-center issue over the next three weeks for Christians in Pennsylvania, Ohio, Tennessee, North Carolina, Colorado and several other states with pitched election campaigns.