Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.

James Hansen: Why I must speak out about climate change
Facebook
Twitter
Reddit
LinkedIn
WhatsApp
Email
Support Climate State
CS provides climate coverage with articles and video productions since 2011 - free of charge. Your donation keeps us going, supports our operations. If you donate send us a name / custom link, and get mentioned on the Supporter Page ranked by donation amount.
Donations
- Climate change may cause ocean plankton microbes to become carbon emitters
- Climate Town: The Troll Army of Big Oil
- Global Warming: An Inconvenient History
- Genomic evidence for West Antarctic Ice Sheet collapse during the Last Interglacial Period
- Extent of future sea level rise could be vastly underestimated