New York Times: The Apollo Alliance, a coalition working to promote green jobs and clean energy, has been struggling with how to offset the global warming pollution that results from its day-to-day operations, especially from its travel. “Our carbon footprint is ridiculous,” its co-director, Kate Gordon, said referring to the amount of greenhouse gases emitted each year by the organization. Air travel is its worst offender, Ms. Gordon said. The quest for renewable energy has its employees on …