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.

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

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The Physical Basis of Global Warming
Observed Temperatures and Greenhouse Gas Trends
Impacts

U.S. Emissions

International Emissions