renewable energy

Arts, Culture & Media

Geo answer

For today's Geo Quiz, we asked just how long a flight that would be if the flight plan circled the earth at the equator. The answer is 24,901 miles?or approximately 25,000 miles.

Lifestyle & Belief

Renewables Fill the Power Gap

Marco Werman speaks with Chris Flavin, president of the Worldwatch Institute about the rise of solar and wind power in developing countries. Flavin says green power is an attractive alternative to unreliable service from the electric grid.

Lifestyle & Belief

Windpower from Scratch

After dropping out of school as a teenager because of poverty and drought William Kamkwamba built a windmill out of discarded materials in his village. Kamkwamba tells anchor Marco Werman how the windmill brought electricity to his tiny village in Malawi.