In recent decades in the American West, wildfires have burned about 17 times more land in years with early snowmelt than with late.
Satellite-derived images comparing the first full week of April in years with early (2002) vs. late (2008) snowmelt.
The August 2006 Tripod Complex Fire burned some 180,000 acres of beetle-damaged forest in central Washington State.
The United States has many areas, shown in pink, where geological formations are likely to be suitable for long-term carbon dioxide storage.
Sea level rise projected for this century presents significant threats to Savannah.
If current trends in burning coal and other fossil fuels continue, average temperatures in the US are projected to increase by roughly 10Ã‚Â°F by 2100
Visualization of CO2 emissions from U.S. power plants burning fossil fuels. Coal plants contribute over 80 percent of these emissions, which are actually invisible.
Recent deforestation in Brazil has been rapid, causing greenhouse gas emissions. Some argue planting more U.S. corn for ethanol may ultimately be a contributing factor.