IB 环境系统和社会/污染本质

污染的主要点

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

点源污染

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