Tuesday, September 24 from 1:30-2:30pm. Online.

The alarming acceleration of global warming is a grave threat to all forms of life. The only viable solution is the reduction and removal of the excess greenhouse gases –atmospheric CO2 and methane– produced chiefly by fossil fuels. This requires immediate transition to renewable energy, combined with removal of atmospheric CO2. But there is a move to delay that transition by means of solar geoengineering. This approach involves the release of chemical particles high in the atmosphere that will shade the Sun. It does not eliminate the CO2 buildup. Solar geoengineering introduces serious risks that must be explained by responsible scientists.

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Daniel Cziczo, professor at the Department of Earth, Atmospheric, and Planetary Sciences at Purdue University specializing in the vital role of clouds in climate dynamics, explains the global warming threat and the risks involved in solar geoengineering.

This free event is sponsored by GBH and Science for the Public.