Fresh Air for the Rio Olympics

Environmental authorities in this southeastern Brazilian city are installing more air quality control stations in the locations where competitions are to be held during the 2016 Olympic Games, so that air pollution will not hurt the athletes’ performance.

Easing Air Pollution Would Cool the Planet

The planet can be cooled a whopping 0.5 degrees C with fast action to reduce air pollution from coal-fired power plants, gas fracking, diesel trucks and biomass burning, recent studies show.

Chile’s Smog Still Deadly

"We are facing a very alarming situation, and solutions are urgently needed," said Cecilia Sepúlveda, the dean of the University of Chile medical school, after it was announced that 4,200 people a year in this country die from causes directly attributable to smog and other kinds of pollution.