David Keith Has an Idea to Slow Global Warming: Geoengineering

David Keith wants to spray a pollutant into the sky to block some sunlight. He says the benefits would outweigh the danger. David Keith wants to spray a pollutant into the sky to block some sunlight. He says the benefits would outweigh the danger. Content Type: Personal Profile, Keith, David (1954- ), Global Warming, Greenhouse Gas Emissions, Geoengineering, University of Chicago, Harvard University, Research, Carbon Dioxide, Environment, Earth, Sulfur and Sulfur Compounds, University of Calgary NYT > Science