Did you know that the United States produces annual emissions of 19.6 tons per person? According to the WWF, the U.S. is the world's "single largest contributor to global warming," with nearly 5 times the world average of 3.9 tons per person. Clearly, it's time for a change.

Going green is easy! Read through our list of easy tips for your home, office, or commute and help reduce emissions, prepare for climate change, and encourage others to do the same.

More Information and Sources:

Sierra Club

Environmental Protection Agency

The Green Guide

World Wildlife Fund

Tree Hugger

Green Peace

World Watch

St. Louis County Parks