If you’re a math geek, you’ll love this site where the author uses physics and estimation to assess energy growth and options. Tom Murphy, and astrophysicist, is the author who brings ballpark estimations to articles that provide useful understanding of the energy sector.

David Strahan is the author of the book, The Last Oil Shock, a Survival Guide to the Imminent Extinction of Petroleum Man. His well-written and engaging blog focuses on oil depletion, business, and energy.

Endorsed by TIME Magazine, this site seeks to provide accurate and fact-based information about global warming campaigns. Led by Jim Hoggan, founder of one of Canada’s leading public relation firms, the research and writing on this site finds the often fine line between public relations and propaganda and exposes it to their readers.

DSIRE is an easy-to-use source of information on state, federal, local, and utility incentives and policies that support renewable energy and energy efficiency. This is a North Carolina Solar Center and Interstate Renewable Energy Council project, funded by the U.S. Department of Energy.