What percentage of the waste produced by man comes from households?
a. 10
b. 20
c. 30
d. 50
       
How much forest is saved every time one tonne of paper is recycled?
a. 1 hectare
b. 3 hectares
c. 5 hectares
d. 10 hectares
       
How much energy can be saved by making recycled glass products rather than new products?
a. 10 percent
b. 15 percent
c. 20 percent
d. 30 percent
       
Which of these is an effective way to deal with plastic waste?
a. Reducing consumption
b. Reusing
c. Recycling
d. All of the above
       
What percentage of waste in the European Union is incinerated?
a. 5
b. 10
c. 17
d. 26
       
What percentage of waste in the European Union is put into landfills?
a. 12
b. 24
c. 43
d. 67
       
Which of these countries composts its municipal waste best?
a. Spain
b. Portugal
c. Denmark
d. France
       
Efforts to minimise waste production can do more than improving treatment. True or false?
a. True
b. False
   
In modern society 80 percent of all waste comes from
a. Agriculture
b. Industry
c. Mining activities
d. All of the above
       
About 650,000 tonnes of paper is produced each day worldwide. The amount thrown away because it could not be successfully reintroduced into the paper cycle is:
a. 100,000 tonnes
b. 300,000 tonnes
c. 500,000 tonnes
d. 600,000 tonnes
       
Which of the following is true about plastic waste?
a. A great deal of it can be cleaned and reused.
b. Wise consumption can reduce the amount.
c. The recycling of plastics can save raw materials (petrol) and energy, while reducing water and air pollution.
d. All of the above
       
PET is an abbreviation for:
a. Polyethylene - used to produce bags and packing materials that could be recycled
b. Polyethylene terephtalate - used to produce bottles for juice and soft drinks that could be recycled
c. Polypropylene - used to produce film, bottles and pots that could be recycled
d. Polycarbonate - used to produce baby bottles and parts for children's toys that could be recycled