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  • What is Water Purification?
    Article - 5 Mar 2008
    When a water supplier takes untreated water from places such as rivers or reservoirs, the water often contains impurities such as dirt.
  • What are Vehicle Exhaust Emissions?
    Article - 29 Jan 2008
    Vehicle exhaust emissions are created when the air-fuel mixture burning inside internal combustion engines releases carbon dioxide back into the atmosphere.
  • What is Ocean Acidification?
    Article - 18 Jan 2008
    Approximately half of the carbon dioxide emitted into the atmosphere from human activities has dissolved into the ocean.
  • What is Carbon Sequestration?
    Article - 10 Jan 2008
    Carbon sequestration can be referred to as the provision of long-term storage of carbon in underground, the ocean or the terrestrial biosphere.
  • What is Clean-Coal Technology?
    Article - 30 Dec 2007
    Technologies are available to filter out about 99% of the tiny impurity fragments, as well as removing more than 95% of the acid rain pollutants in coal.

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