SFGATE1 week agoSan Francisco2 California cities rank surprisingly well in a new US studyCalifornia cities are experiencing significant declines in vehicle miles traveled (VMT), contrasting with trends in other U.S. regions. [ more ]
www.theguardian.com1 month agoOMG scienceBeijing air pollution study could unlock solution to persistent smogDespite improvements, Beijing's air pollution levels still exceed WHO guidelines. Advanced research suggests Beijing's pollution originates from sources beyond the city. [ more ]