Geoengineering - the deliberate, large-scale manipulation of the earth's climate to offset global warming - is a nightmare fix for climate change.

Bill Gates is a relative newcomer to the fight against global warming, but he's already shifting the debate over climate change.

In reality, Republicans have long been at war with clean energy. They have ridiculed investments in solar and wind power, bashed energy-efficiency standards, attacked state moves to promote renewable energy and championed laws that would enshrine taxpayer subsidies for fossil fuels while stripping them from wind and solar.

In the United States, we do a pretty good job of protecting iconic landscapes and postcard views, but the ocean gets no respect.

If you think Wall Street firms have it good, you haven't looked closely at Big Oil.

Although most Americans don't know it, the U.S. gets more oil from Canada than it does from the entire Middle East.

Geoengineering - the deliberate, large-scale manipulation of the earth's climate to offset global warming - is a nightmare fix for climate change.