Climate change: What you can do
February 19, 2009, 11:30 p.m.
You release greenhouse gases as a result of using energy to drive, using electricity to light and heat your home, and through other activities that support our quality of life like growing food, raising livestock and throwing away garbage.
What is global warming?
February 9, 2009, 11:21 a.m.
The burning of fossil fuels, such as coal and oil, and deforestation have caused the concentrations of heat-trapping "greenhouse gases" to increase significantly in our atmosphere. Learn more about science and issues related to global warming.
What are carbon emissions ?
February 9, 2009, 11:16 a.m.
In the U.S., energy-related activities account for three-quarters of human-generated greenhouse gas emissions, mostly in the form of carbon dioxide emissions from burning fossil fuels.