Al Jazeera: Air pollution kills about 7 million people worldwide every year, and is now the single biggest environmental health risk, with more than half of the fatalities due to fumes from indoor stoves, according to a new report from the World Health Organization (WHO) published Tuesday.
"The evidence signals the need for concerted action to clean up the air we all breathe," said Maria Neira, head of the WHO's environmental and social public health department. "The risks from air pollution are now far greater...