Comparing the 'global warming potential' of methane to carbon dioxide isn't quite apples and oranges, but it does cause confusion in the debate about natural gas.
A former CIA director and the president's pending secretary of energy have high hopes for natural gas in transportation, but its outlook for climate change is unclear.
Some environmentalists warn that a recent federal report on greenhouse gases doesn’t tell the full story. The Environmental Protection Agency says natural gas producers have significantly reduced emissions of methane, a potent heat-trapping gas that could decide whether the fossil fuel is a viable short-term option for fighting climate change.
The scientist cited a moral obligation to leave his post at NASA and campaign more actively for political and legal efforts to limit greenhouse gas emissions.
The last barge carrying coal to Pilsen’s Fisk Power Plant lumbered up the Chicago canal in late August, dumping a final 1,500 tons of coal to burn in a community whose members were more than happy to see their industrial neighbor go.