POWERING THE PLANET presents 8 fast-paced case studies and stories about nations and communities transitioning from fossil fuels to renewable or low-carbon sources of energy. Taped in High Definition in Brazil, China, New Zealand, Scotland, Denmark, Spain, Morocco and across the United States, the program is hosted by noted Earth scientist, Dr. Richard Alley - who goes bungy jumping in New Zealand to illustrate abrupt climate change and "tipping points."