Letting Markets Solve the Global Energy & Climate Challenge. 2017 Aspen Ideas Festival. 

The Global Energy Challenge: Will We Ever Stop Using Fossil Fuels? 2017 Keynote Address at Beloit College. 

A New Empirical Approach to Global Damage Function Estimation. The National Academies of Sciences, May 5, 2016

Subcommittee on Environment and Subcommittee on Oversight Hearing - At What Cost? Examining the Social Cost of Carbon.  February 28, 2017.

Updating the Social Cost of Carbon and Valuing Climate Impacts: A Public Symposium at the The National Academies of Sciences, June 14, 2017.