From Eco-Business August 21, 2017 Derek Sylvan Harris Public Policy Professor Michael Greenstone Harris Public Policy Professor Michael Greenstone was featured in Eco-Business News for a letter that he and other economists wrote to the Trump administration making a case in defence of the Social Cost of Carbon and the interagency working group that developed it. Full coverage available at Eco-business. The letter can be read in Science. Upcoming Events More events Policy Research and Innovation Bootcamp (PRIB) Policy Hackathon Challenge Deep Dive Tue., February 10, 2026 | 12:00 PM Preparing for Harris: Teaching Assistantships Wed., February 11, 2026 | 8:30 AM Coffee Chat in Western Massachusetts Wed., February 11, 2026 | 9:00 AM Tunnel City Coffee 100 Spring St #102 Williamstown, MA 01267 United States