How Can We Get to Zero-Carbon Energy?
Nature Conservancy - Science
MAY 13, 2013
Last week, Earth hit a long-awaited (and much dreaded) climate milestone: the amount of carbon dioxide in the atmosphere (as recorded at Hawaii’s Mauna Loa Observatory) has exceeded 400 parts per million for the first time in the 55 years atmospheric CO2 concentrations have been measured — and perhaps not since the Pliocene Epoch, which was between 2.6 Obviously, political will would help get us to zero-carbon energy. The Diversity of Options for Zero-Carbon Electricity.