A Terrifying Thought : TED speakers plan to release massive amounts of chalk into the atmosphere

IMG_0195At TED, a conference about big ideas that’s largely attended by tech luminaries, it was inevitable that geoengineering — the idea of changing the earth’s atmosphere to halt or reverse climate change — would come up. During the 2017 TED talks in Vancouver, Canada, multiple speakers brought up geoengineering ideas — but one climate scientist pushed back. On Wednesday morning, computer theorist Danny Hillis got onstage and proposed a series of ideas for what he called a “thermostat to turn down the temperature of the earth.” Hillis, the founding partner of tech innovation company Applied Invention, rattled off a number of geoengineering concepts that have popped up in recent years, including building giant parasols in space, putting fizzy water into the ocean, and sending chalk into the atmosphere so that it can reflect sunlight and theoretically cool down the earth…….Read More