renewable energy

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.

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.