non-reneable energy


US depends on coal, too

Coal continues to supply a significant portion of electricity in the US. Anchor Lisa Mullins speaks with journalist Jeff Goodell. He's the author of Big Coal:The Dirty Secret Behind America's Energy Future. He's also online in our Science Forum.

Science, Tech & Environment

Canada's oil sands

The oil deposits in Northern Alberta are some of the largest in the world, but extracting and refining that oil is costly and dirty. Canada is under fire for its oil production, but it’s the United States that buying much of that oil, and new pipelines are being built to bring even more of it south of the border.