An in-depth look at the future of energy. From sustainable sources to finite supplies of oil, coal and gas that threaten to destroy the earth.
When it comes to energy, humans are bombarded by a cacophony of messages, carbon footprints, clean coal, energy independence. Scientists reveal what it all means.
From the first fires to the atom, people searched for energy sources. With a desire to clean up our act, the race is on to find a fossil fuel substitute.
Finds out how unlikely forces such as The U.S. Army, General Motors and Red China are cutting their carbon footprints and driving the new economy.