Based on this research, Kahan and others argue, environmentalists should sell climate action by playing up concerns about national security and emphasizing responses such as nuclear power and “geoengineering”—global-scale technological interventions that would attempt to reverse rapid warming by, for instance, blocking a portion of the sun’s rays, or by “fertilizing” the oceans so that they trap more carbon, among other untested, extraordinarily high-risk schemes. Kahan reasons that since climate change is perceived by many on the right as a gateway to dreaded anti-industry policies, the
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