Geo-engineering: How real & how immediate?

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Professor David W. Keith, Professor of Applied Physics, Professor of Public Policy; Founder, Carbon Engineering, Harvard University; Dr. David Victor, Co-Director, Deep Decarbonization Initiative, University of San Diego; Dr. Steven Koonin, University Professor, New York University; Atul Arya, Senior Vice President and Chief Energy Strategist, IHS Markit. Solar Radiation Management or Solar Geoengineering techniques aim to reflect a small proportion of the Sun’s energy back into space, counteracting the temperature rise caused by increased levels of greenhouse gases in the atmosphere. What is the cost and technical feasibility of these technologies? What are the political, ethical, legal issues? What are the risks of these approaches? What will be some of the potential deployment strategies?

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