9 out of 10 people on earth are breathing polluted air. According to the World Health Organization
, 3 million people die every year due to polluted air. While these pollutants are microscopic, they are known to cause stroke, heart disease, and lung cancer.
In WHO’s interactive map
, it illustrates that low and middle-income countries are the most polluted areas of the world.
Aside from factors such as dust storms, transportation and inefficient energy use can be blamed for unhealthy air.
Video courtesy from Newsy