Why some greenery can make smog worse
400 PPM: What’s Next for a Warming Planet Concentrations of greenhouse gases in the atmosphere have reached this level for the first time in millions of years.
Next, microbes in the sputum of patients with respiratory tract infections could be examined to see if smoggier days lead to more illness
Residents of Beijing may enjoy pockets of fresh air, thanks to giant devices that remove particulates out of the city’s filthy sky
BEIJING—A Chinese high speed train whispers into the station, before finally engaging the brakes and coming to a stop with a sound like the tinkling of breaking glass.