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| Optical depth of particles - Wikipedia |
The Chinese government has been taking action to address problems with smog in the country. As the pollution from this country has a global effect this is good news.
University of Minnesota researchers David Pui and others are attempting to assist China with their $277 billion dollar investment to reduce the production of PM 2.5 particles. The Airborne Pollution Prevention Control Plan makes a significant investment from 2013 -2017 towards reining in pollution.
One of the major roadblocks to there success is the inability of the government to shut down inefficient older steel production facilities. Local interests with respect to employment and business conflict with the broader goals of efficient production. An increase in production at coal fired power plants, cement plants and the increase in the number of motor vehicles in Beijing are other major contributors to the production of PM 2.5 particles.
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| Singapore Haze |
PM 2.5 micron sized particles are small enough to deposit in the lungs and cause respiratory health problems in individuals. Campfires and burning wood for heating also contribute to PM 2.5 particle production in less developed countries.
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