Where Wisdom and Geoengineering Meet

More climate scientists say emissions cuts are not enough and we face imminent catastrophe unless deliberately altering the climate. What are the options and challenges? I interviewed Dr Ye Tao who is proposing we use massive amounts of mirrors to reduce harm in the short term.

By Jem Bendell

In 2018, Dr Ye Tao was a Harvard engineer working on nanoscale magnetic resonance imaging. He read the Deep Adaptation paper on climate disaster, then cross-checked it with over a thousand peer-reviewed papers across several climate-relevant fields, and realised the growing existential risk to modern civilisation. So that included everything he was working on. He wondered what would be the point of continuing with his engineering work in such a scenario. Instead, Dr Tao decided to repurpose his expertise to try to give humanity a better chance of reducing the catastrophe ahead. Dr Tao has since been developing and promoting what he argues is a scalable, safe, green and flexible form of climate engineering. It proposes using mirrors to reflect the sun, mostly from the ground and over coral reefs at sea, to cool agricultural land, save fresh water, and preserve ecosystems. He arrived at this idea after analysing and debunking the science and economics behind other approaches to geoengineering (which is also known today as ‘climate repair’ and ‘climate restoration’). 

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