Air Pollution

Add yours

Sorry, we don't have any videos for this topic yet.
Let teachers know you need one by requesting it

Log in so we can tell you when a lesson is added.

Key Questions

  • There are various activities or factors which are responsible for releasing pollutants into the atmosphere. Here is a short list.

    Anthropogenic (or man-made) sources:

    • Stationary sources include smoke stacks of power plants, manufacturing factories and waste incinerators.
    • Mobile sources include motor vehicles, marine vessels, and aircraft.

    • Controlled burn practices in agriculture and forest management.

    • Fumes from paint, hair spray, varnish, aerosol sprays and other solvents
    • Waste deposition in landfills, which generate methane.
    • Military resources, such as nuclear weapons, toxic gases, germ warfare and rocketry.

    Natural sources:

    • Dust from natural sources.
    • Radon gas from radioactive decay within the Earth's crust.
    • Vegetation, in some regions, emits environmentally significant amounts of VOCs on warmer days.
    • Volcanic activity, which produces sulfur, chlorine, and ash particulates.
  • This key question hasn't been answered yet. Answer question
  • This key question hasn't been answered yet. Answer question