Climate Science

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Changes in the Climate
Climate Science Q&A
Blog Post
Using Climate Data in the Real World
Webinar
Webinar: Using Climate Data in the Real World
Main Greenhouse Gases
National Climate Assessment
IPCC Fifth Assessment Report
Blog Post
US companies, communities rely on federal climate science
Blog Post
It’s certain: The Earth is getting warmer, and human activity is largely to blame
IPCC AR5 Working Group I Highlights