Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Climate Change Overveiw
Global warming: The increase in Earth’s average surface temperature due to rising levels of greenhouse gases.
Climate change: A long-term change in the Earth’s climate, or of a region on Earth.