How to Reduce Risks of Bad Air Quality — VOA Learning English
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Air quality differs from place to place and day to day. But about 99 percent of the world’s population breathes air at some point that does not meet pollution guidelines set by the World Health Organization (WHO).
Different forms of air pollution kill about 7 million people each year, the U.N. health agency estimates. But health experts say there are some actions individuals can take to protect themselves, even in the world’s most polluted cities.
The first step is to start with the understanding that air is not only polluted when it looks smoky or smoggy, said Tanushree Ganguly. She is an air quality expert with the Energy Policy Institute of Chicago’s India program.
“Blue skies can’t…
Торкнись будь-якого слова — переклад з’явиться одразу, а слово ляже в твою добірку разом із реченням.