# The Peril and Promise of Solar Geoengineering #### calendar\_today Date and Time **October 30, 2019** 06:00PM - 06:00PM EDT #### pin\_drop Location **Geological Lecture Hall, 24 Oxford Street, Cambridge, MA 02138** ![Solar Flare and the Earth pictured from space.](/sites/g/files/omnuum4986/files/styles/hwp_1_1__720x720_scale/public/hmnh/files/the_peril_and_promise_of_solar_geoengineering_keith.jpg?itok=5aaZKrvq) ## **Free Public Lecture** **David Keith**, Gordon McKay Professor of Applied Physics, Harvard John A. Paulson School of Engineering and Applied Sciences; Professor of Public Policy, Harvard Kennedy School, Harvard University Solar geoengineering research aims to reduce the impacts of global climate change. One possibility is to put aerosols into the stratosphere to alter Earth’s energy budget. This emerging technology entails risks and uncertainties, along with serious challenges to global governance. The greatest threat, perhaps, is that it will be used as a technical fix and encourage people to avoid the emissions cuts that are fundamental to curbing long-term climate risks. David Keith will describe the simple physics underlying the climate’s response to stratospheric aerosols, the risks, and the trade-offs among solar geoengineering, carbon removal, and emissions reductions. [Free event parking at the 52 Oxford Street Garage](https://www.google.com/maps/place/52%20Oxford%20St.%20Garage/@42.379823,-71.1179754,17z/data=!3m1!4b1!4m5!3m4!1s0x89e37740b7278721:0xc4afb229b3ca67be!8m2!3d42.3801916!4d-71.1157009?hl=en) ## **Accommodations** We encourage persons with disabilities to participate in programs and activities. If you anticipate needing any type of accommodation please contact us in advance at . See also:- [ Public Lectures ](/programs-audience/lectures) Share on:- [ Facebook ](#) - [ Twitter ](#) - [ Linkedin ](#) Save: [ Add to calendar calendar\_today ](https://www.hmnh.harvard.edu/node/1222792/event-feed.ics) Copy link link