The sources of air pollution1. Drilling equipment and refineries(emitting chemicals).2. The cars and airplanes(poisonous ozone at groundlevel, dust of lead).3. The metal smelter(containing heavy metals).4. Coal power plants(SO2, CO2).5. Landfill of garbage(poisonous food scraps make the release of methane).6. The cities(the factories, cars, home ovens).7. Chemical works(release poisonous gases).8. Nuclear power plants(emission of radioactivesubstances).9. Agriculture(sprying of chemicals).Sources: Toxic Waste, Polluting the Air, Habitat Destruction; author dr Tony Hare.
Solar power and coal power plants Coal powerA solar cell. plants,Obtaining energy from sunlight Energy from burning of coal.
If everybody would do like the man from the left, we wouldn`t see “landscapes” like the one from the right