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WHO Study Claims Air Pollution Killed 7 Million People in 2012
Regardless of creed, ethnicity, or tax bracket, everyone must breathe the same air. This week, the World Health Organization announced that air pollution was responsible for seven million deaths globally in 2012. It is also the single largest preventable health risk worldwide. Both indoor and outdoor particulate matter is to blame for illnesses such as stroke, heart disease, respiratory infections, lung cancer, and chronic obstructive pulmonary disease. Not just harmful to human bodies directly, much of the pollution also contributes to the acceleration of climate change and its catastrophic affect on agriculture, the economy, and biosphere.
According to the WHO, air pollution is responsible for one death in eight every year. Overall, 4.3 million deaths worldwide were linked in 2012 to indoor pollution primarily due to cooking with coal, dung, or wood stoves. Outdoor pollution from diesel engines and fires were linked to 3.7 million deaths. Many populations are exposed to poor air quality in both settings, causing a degree of overlap within the aggregate figure of seven million deaths. Further chronic health risks such as birth defects and impaired cognitive abilities in children add to the already sobering statistics.
While the entire planet is vulnerable to air pollution, low and middle income countries such as those in Southeast Asia and the Western Pacific are particularly hard-hit. In addition to particulate matter expelled from fossil fuel reliant power plants, industrial operations, and auto fumes, burning black carbon for domestic cook stoves can cause diseases that lead to early mortality. By switching to cleaner forms of energy and investing in public transportation, regions most reliant on fossil fuels would see immediate improvements.
“Reducing air pollution, including black carbon soot pollution, can save millions of lives a year, reduce crop losses significantly, and cut the rate of global warming in half and the rate of warming in the Arctic by two-thirds over the next few decades,” according to the WHO. “With this combination of benefits—healthier citizens, higher crop yields, and half the rate of climate change—reducing air pollutants should be a top priority for sustainable development and climate protection.”
To help clear the air, many governments and NGOs are beginning to support the switch to clean cooking stoves, reduce the number of vehicles on the road, and put moratoriums on the construction of new coal fire power plants. As the climate changes and developing nations seek to industrialize, energy production and consumption practices on both local and commercial scales must be adjusted to ensure the health of one of humanity’s most vital shared resources.
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