Air Pollution
1. Causes
2. Smog
3. Acid rain
4. Natural sources
5. How to reduce air pollution
burning fossil fuels
such as coal, gas, oil
release particles of soot & dust
release deadly gases - carbon dioxide, sulfur dioxide
make ppl very ill
make your eyes water, throat dry
permanently damage lungs
can cause cancer
greenhouse gases
global warming
car engines
factories
power plants
stove
furnace
smoke+fog
not good for breathing
contains ozone
⬆ high atmosphere
ozone layer protects Earth from solar radiation
⬇ lower atmosphere
reacts with other molecules
deadly poison
damaged by air pollution
more harmful ultraviolet rays
also caused by air pollution
pollutants in air mix with water droplets
fall as acid rain
lower pH
turns ground and water acidic
organisms killed
wildfires
volcanic eruptions
cow burps
contains methane
80m metric tons per year
ride bikes/walk
drive hybrid cars
insulate homes
less energy to heat and cool
saves electricity