Washington Post: Penance for Lent traditionally has meant abstaining from meat or forsaking chocolates. In light of climate change, however, two Church of England leaders are calling on congregants to curb their energy consumption instead. Bishops Richard Chartres of London and James Jones of Liverpool recently partnered with the U.K.-based nonprofit organization Tearfund (Jones is a vice president) to promote a Lenten "carbon fast," a plan that prescribes a household energy-saving tip for …