All Posts Tagged Tag: ‘air filtration’

  • Green House Factor 177 600x450

    Air Pollution with Dr. Roy Speiser

    Guest Speaker:  Dr. Roy Speiser  http://www.cwrenviro.com/ Air Pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen, mold spores, power plants, and human activities that involve the burning of fossil fuels such as gasoline and natural gas. …

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