Conventional wisdom holds that we need to be removing around 10 gigatons of CO2 per year by mid-century. But how did we arrive at this estimate, and if emissions stay high, will 10 gigatons be…
We need to begin geoegineering our planet at scale. But political oppositition and misunderstandings are preventing us from making progress. What is geoengineering, how did these misunderstandings arise, and how do we move forward?