1. Each TTC subway train replaces 900 cars.
   True or False
   Answer: True


2. Toronto's water costs how much to produce per glass?
   1. 10 cents
   2. 5 cents
   3. less than 1 cent
   Answer: c. less than 1 cent


3. Two mature trees can produce enough oxygen per year for a family of how many?
   1. 6
   2. 4
   3. 2
   Answer: b. 4


4. In Toronto, the overall recycling diversion rate (how much materials we recycle, instead of sending to landfills) for single-family and multi-unit residences is now:
   1. 60 per cent
   2. 40 per cent
   3. 30 per cent
   Answer: b. 40 per cent


5. How much of the electricity used to power home electronics is consumed while the producs are turned off?
   
   1. 35 per cent
   2. 55 per cent
   3. 75 per cent
   Answer: c. 75 per cent


6. Replacing one 60-watt incandescent bulb with a 15-watt compact fluorescent lamp in each of Canada's 12 million homes would save how much on energy bills?
   1. $62 million
   2. $73 million
   3. $81 million
   Answer: b. $73 million


7. Ten seconds of idling a car uses more fuel than restarting the engine.
   True or False
   Answer: True


8. In January 2006, the City of Toronto was earning how much from selling aluminum?
   1. 85 cents per pound
   2. 70 cents per pound
   3. 55 cents per pound
   Answer: a. 85 cents per pound


9. In 2004, Ontario households generated 1.5 million tonnes of printed paper and packaging. What percentage of this was recycled?
   1. 40 per cent
   2. 55 per cent
   3. 60 per cent
   Answer: b. 55 per cent


10. Producing new products from recyclable plastics cuts energy use by how much?
    1. a half
    2. a quarter
    3. a third
    Answer: c. a third

Please contact dmaher@toronto.ca if you have any questions or comments.