[In Brief] News at a glance
In science news around the world, new U.S. rules on drone operations get a general thumbs up from researchers, a rare and perilous rescue mission of sick workers from the National Science Foundation's South Pole station succeeds, the World Anti-Doping Agency suspends Brazil's Doping Control Laboratory just weeks before the Olympics are set to begin in Rio de Janeiro, the European Commission extends the license of the controversial herbicide glyphosate for another 18 months, and more. Also, Science chats with conservationist Mike Sutton about a November ballot item to legalize the cultivation and sale of marijuana in California. And the International Energy Agency reports that a relatively modest global investment of $4.8 trillion in cleaner energy sources would help prevent millions of deaths due to air pollution in the coming decades.