1. How many trees can be saved by recycling 1 ton paper?
5 trees
17 trees
21 trees
24 trees
2. When was the ozone layer hole over the Antractic discovered?
1981
1984
1985
1989
3. Which country emits the largest amount of carbon dioxide?
India
Russia
China
USA
4. Approximately how long does it take for a glass bottle to decompose completely?
50 years
200 years
450 years
1 million years
5. What % of world's oxygen content is emitted by Amazon rain forests?
5%
10%
15%
20%
6. In which year was the first world environment day celebrated?
1970
1972
1974
1986
7. Which country is the world leader in the number of solar power systems installed per capita?
Germany
Italy
8. Global sea level has been rising over the past century, and the rate has increased in recent decades. What is the average rate by which sea levels have increased since 1993?
0.05 inches per year
0.05 to 0.07 inches per year
0.11 to 0.14 inches per year
0.2 to 0.3 inches per year
9. In which country was Greenpeace founded?
UK
Canada
Australia
10. According to the Intergovernmental Panel on Climate Change (IPCC), which sector is the largest emitter of greenhouse gases?
Industry
Transportation
Agriculture, Forestry and other land use
Electricity and heat production
