Global Warming Facts and Figures

These facts and figures are divided into five sections:

1. The Physical Basis of Global Warming
2. Observed Temperatures and Greenhouse Gas Trends
3. Impacts
4. U.S. Emissions
5. International Emissions
   

These sections explain the scientific evidence for human impacts on the climate system, specifically global warming. They also include updated data for U.S. emissions. For additional information on human emissions of greenhouse gases, click here.

Each section below contains several figures. Click on the section's heading or image to view all.

1. The Physical Basis of Global Warming

2. Observed Temperature and Greenhouse Gas Trends

3. Impacts

4. United States Emissions

5. International Emissions