Related topics: air pollution

Pollution worries hang over Chile's Copa America

As South America's football heroes jet into Chile for the Copa America, a dark cloud is hanging over two host cities where air pollution alerts are worrying organizers and fans.

Air pollution levels drop in China: Greenpeace

Air pollution levels in some of China's smoggiest cities fell by nearly a third in the first quarter of this year, environmental campaign group Greenpeace said on Tuesday.

page 8 from 16