Environmental Issues
1. What is pollution?
2. Is pollution always caused
by humans?
3. Why is waste considered
one of the major
environmental issues?
4. What are the main types of
waste?
5. What is selective waste
collection?
6. What is the cost-benefit
relationship regarding sewage
treatment as a strategy to
fight water pollution?
7. What is eutrophication?
8. What is a biodigester?
9. What are the environmental
harms caused by mercury
pollution? What are the main
sources of mercury pollution?
10. Besides mercury which
other heavy metals cause
toxic pollution?
11. What are persistent
organic pollutants(POPs)?
12. Is the upward move of
warm air good or bad for the
dispersion of pollutants?
13. Does thermal inversion
occur in the winter or in the
summer?
14. Why does thermal
inversion increases air
pollution? What harm can
thermal inversion cause to
humans?
15. What is the role of the
ozone layer for living beings?
16. What are the main
chemical compounds that
destroy the ozonelayer?
17. What is nuclear pollution?
18. What is plutonium
reprocessing? Why is it a big
environmental issue?
19. What is transgenic food?
20. Why are transgenics
considereda threat to the
environmental safety?
21. What is biological control?
22. What is bioremediation?
23.What is global warming?