IB 環境系統和社會/汙染本質

汙染的主要點

    -Combustion of fossil fuels
    -Domestic Waste
    -Industrial Waste
    -Agricultural Waste

點源汙染

    -The release of pollutants from a single, clearly identifiable site (e.g. factory chimney, waste disposal pipe)
    -Easier to Locate and Easier to Manage