Wind energy is the largest source of renewable electricity in North America. This graphic maps U.S. states by wind electricity generation.
Biofuel mandates were passed in 2005, this graphic shows why they've become out of touch with modern transportation and are costing billions.
A Global Breakdown of Greenhouse Gas Emissions by Sector In a few decades, greenhouse gases (GHGs)—chiefly in the form of CO₂ emissions—have risen at unprecedented rates...
Which U.S. companies use the most green energy as a percentage of total energy used? Here are the 50 highest ranked companies according to the EPA.