Students from around the world calculated their class mean and standard deviations for their footprints and posted them on our world map.
Do you see differences across the globe? If so, why do you think those differences exist?
Did you use the calculator to try to reduce your footprint down to the average from a citizen of another country? What changes would you have to make to lower your footprint in this way? Are you going to try and take some of these actions in your daily life?
Student Footprints >
Chemical pollution of the environment and human health.
The pollutants in the environment, it is very diverse. Depending on their nature, concentration, time of action on the human body, they can cause various side effects. Short-term exposure to small concentrations of these substances can cause dizziness, nausea, sore throat, cough. Ingestion of large human concentrations of toxic substances can lead to loss of consciousness, acute poisoning and even death. An example of such action may be smog in major cities in calm weather, or accidental releases of toxic substances into the atmosphere by industrial enterprises.
The reactions of the organism to pollution depends on the individual characteristics: age, sex, state of health. As a rule, the more vulnerable children, the elderly and the elderly, sick people.