This documentation is meant to accompany CVal, a downloadable spreadsheet tool. CVal was constructed for foresters, other land management advisors, landowners, and carbon credit aggregators to evaluate the direct benefits and costs of entering into contracts for carbon sequestered in managed forests and forest plantations.
Follow this link to learn more: http://www.fpl.fs.fed.us/products/publications/specific_pub.php?posting_id=14478&trending=yes&src=twitter-fsWoodLab

Explanations of the major renewable energy sources in the United States.
Follow this link to learn more: http://nationalatlas.gov/articles/people/a_energy.html#one