So far, the president s commitment to addressing climate change has been more than rhetorical, but a lot of heavy lifting lies ahead.

By Judy Dempsey (International Herald Tribune)
WEDNESDAY, JUNE 25, 2008
While governments say it is time to diversify energy sources to reduce dependence on oil, they don’t speak about the direct link between oil and natural gas

(The New York Times)
MONDAY, JUNE 23, 2008
With gas prices rising above $4 a gallon, we could hardly be more eager for a car powered by an energy source that emits nothing worse than water.