We Broke the Climate and We Can Fix It: New at Reason

It’s way past time for humans to start devising an emergency back-up planetary cooling system.

Should man-made global warming turn out to be faster and more intense than currently projected, we need a plan for how to respond. Geoengineering offers one possible answer.

Broadly speaking, climate geoengineering proposals fall into two categories: carbon dioxide removal and solar reflection. The first involves diverting carbon dioxide from power plant emissions or soaking it up directly from the atmosphere and then burying it underground. The second category—the chief focus of some surprisingly informative congressional hearings in November—entails marine cloud brightening or stratospheric aerosol dispersal, writes Ron Bailey for the April print edition of Reason.

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