Even if we can solve the carbon problem for coal, it is still a non-renewable resource. At some point, coal supplies will drop. — Van Jones Copy Share Image
There's no such thing as clean coal. It's non-existent. Theoretically, it might be possible, many years from now, to come up with a way to clean it as it's burnt. But there's not a single demonstration project in the United… — Al Gore Copy Share Image
