Temperatures have not risen very much, and most of the temperature rise is probably completely natural, and has nothing to do with increasing CO2. Industrialization probably played a small role, but I think it's very hard to tell how much.

Another quote →

More quotes by William Happer

All William Happer quotes →

Attribution

Quote text and notes from Wikiquote: William Happer (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.