FROM Alan Robock
The Perils and Promise of Geoengineering The west and southwest U.S. are about to face "unprecedented drought conditions," according to a new study published in the journal Science Advances. The authors say the decades-long droughts known as “mega droughts” are probably on the way by mid-century. Pronouncements like these are making geoengineering sound more palatable. Once written off as wacky science fiction, geoengineering is now being taken seriously. This week, a panel at the National Academy of Sciences recommended proceeding with research on technologies that could suck carbon dioxide out of the air and reflect back sunlight. We hear from two scientists about the possible risks and rewards of this technology.
Securing Public Spaces, Super Wealthy Asians Vehicles are increasingly being used as weapons, as seen in the London Bridge attack over the weekend and in New York’s Times Square last month. The Compton-based company Calpipe is designing security bollards to help make public spaces safer. And novelist Kevin Kwan satirizes the “crazy rich” Asian jet set and their luxurious tastes in his latest book, “Rich People Problems.”
Trump says goodbye Paris Accord: What does it mean for U.S. and the planet? President Donald Trump announced Thursday that the U.S. will withdraw from the Paris Climate Accord, the landmark international agreement to limit greenhouse gas emissions. Trump was to renegotiate a new deal, but will that happen?
Previewing James Comey's blockbuster testimony Former FBI director James Comey testifies Thursday in front of the Senate Intelligence Committee, but his opening statement has been released. In it, he says he felt pressured by Donald Trump to declare loyalty to him and publicly clear him of any wrongdoing in the Russia investigation.