The Doomsday Clock is an internationally recognized design that conveys how close we are to destroying our civilization with dangerous technologies of our own making. First and foremost among these are nuclear weapons, but the dangers include climate-changing technologies, emerging... Read More
The author writes that building a low-carbon world is feasible, but it requires most of all a strong commitment from the biggest emitters. Meanwhile, countries of all descriptions must cooperate in areas like carbon trading and energy efficiency.
Trillions of mirrors launched into space to deflect the sun's rays. A massive fleet of ships churning up sea spray to increase Earth's cloud cover. As political responses to climate change limp along, scientists currently are debating these and other geoengineering schemes to stabilize the climate. Yet, as many have observed, such schemes carry formidable costs--and risks.