Science of Global Warming
The evidence is clear and the effects can be seen today.
Coral bleaching from warming waters. Photo: Dr. Dwayne Meadows, NOAA/NMFS/OPR
Global Warming Effects: The World to Come
The Earth could warm another 2 to 11.5°F this century if we fail to reduce emissions from burning fossil fuels and deforestation—devastating our livelihoods and the natural world we cherish.
How Do We Know the Earth is Warming?
Scientists are certain that the Earth is getting hotter. Here's how they know.
How Do We Know Humans are Responsible?
Human activity is causing the Earth to get warmer. All other explanations are insufficient to explain the observed patterns.
Global Warming Facts
The basic facts of global warming are well-understood and accepted by the scientific community.
