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Air Pollution CFC
AIR POLLUTION
It is caused when
What is it ?
high levels of pollutants are suspended in the air and reach a dangerous concentrations
e.g Soot, smoke, pollen, methane, and carbon dioxide
It can occur naturally or by people
Effects on the health of people
Those at risk
-Aggravated cardiovascular and respiratory illness
-added stress to heart and lungs
-damaged cells in the respiratory system
-accelerated aging of lungs
-decreased lung function
-increased risk of cancer
-development of diseases such as asthma
-shortened life span
People with lung conditions e.g asthma
infants and young children
the elderly
People with heart conditions
People who lack access to health care
Unborn babies
Effects on people
Environmental Impacts
E.g Global warming - resulting in many consequences - rising sea levels, flooding, extinction of species etc
Depletion of the ozone layer - which protects us from UV radiation
Effects on the environment
Acid rain - which is a huge threat to marine life, and human well being - less of an issue in Australia but this could change
Eutrophication- pollutants such as nitrogen oxide speeds up the growth of algae on the water surface. Blocking oxygen for marine life.
and many more
https://aqicn.org/map/world/
(click on main screen and ask class to pick a city to look at air quality)
In Australia air pollution is more of a problem then we think
Every year over 3000 people die as a result and the number is increasing
World wide an estimated 4.6 millions deaths per year
How serious is it
How can we reduce our impact
-Use alternatives to driving - public transport, car pooling, walking
-Mulch or compost grass, leaves and food scraps - for every kg of food waste that goes to landfill 3.8 kg of greenhouse gasses is emitted
Reduce your impact
-promote or support community sustainability projects
-keep car tires fully inflated and avoiding idling - having the car partially on
-Look for ENERGY STAR labels when buying appliances.
-drying clothes outside, turning lights off when not in use , as well as growing gardens and planting trees
Quiz!
2. TRUE or FALSE Australia is in the top ten for the countries with the worlds cleanest air ?
1. Which country has the most polluted air ?
-China
-Bangladesh
-India
Bangladesh
FALSE but we are in the top 50