Based on the evidence, about 97% of climate experts have concluded that human-caused climate change is happening. What We Know helps us understand the science behind the realities, risks and response to the climate challenge.

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For press inquiries, please contact:

Tiffany Lohwater
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202-326-8737

About the Initiative

Understanding science is our work. Our consensus is that climate change is happening and the risks are real. Learn more about AAAS and the What We Know initiative.

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Consensus Sense

The AAAS “What We Know” initiative is about sharing what climate experts have concluded...
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