Public speaking examples

TEDx Minneapolis–COMING SOON!

Listen to my thoughts on geoengineering the climate with Michael Noble and Roopali Phadke on Kerri Miller’s MPR radio program.

In Nov. 2017, I described how I see the world, humanity’s role in the world and the sustainable future that we can build, at the 10-Year anniversary celebration of the Institute on the Environment (read the text of the talk here):