Alberta's funding of carbon-capture technology is taxpayer-funded publicity for private companies.

Consider an ambitious United Nations effort that, while not widely known in the U.S., has implications for developing world economic growth and for American taxpayers.

Under pressure from environmentalists, the coal industry and its supporters are claiming that their fuel can be clean.

The United States needs a serious reassessment of a national energy policy and what energy issues to tackle first, as a transition to a post-fossil fuel world is not in the near future.

Although it creates only a slight reduction in the amount of solar energy absorbed by the Earth, solar radiation management should be a part of U.S. climate policy.

Which climate policy approach will succeed the Kyoto Protocol: cap-and-trade or a carbon tax?

Emission controls are not going to have much impact until a new generation of vastly cheaper technologies becomes available and matures, but in the meantime, geoengineering may offer some help.