China: Shenzhen's 12 million people are breathing the cleanest air in 20 years after city turned all of its 16,000 buses (more than the bus fleets of New York, LA, Chicago and Toronto combined) and 20,000 taxis to electric ones

Electric vehicles save lives#ActOnClimate pic.twitter.com/u5A9emoBnL

— Assaad Razzouk (@AssaadRazzouk) April 3, 2019
.....