Download Geoengineering for Decision Makers, by Robert Olson, from the Wilson Center. Excerpted below is the executive summary.Geoengineering involves intentional, large-scale interventions in the Earth’s atmosphere, oceans, soils or living systems to influence the planet’s climate. Geoengineering is not a new idea. Speculation about it dates at least to 1908, when Swedish scientist Svente Arrhenius … Continue reading Geoengineering for Decision Makers