Clean-Air Commute — Group Edition

Quick quiz

These ask about details you only notice by really doing the task. Get every one right to pass.

1. 1. Why does litter on a street end up in rivers?

   It dissolves into groundwaterStreet sweepers dump it thereBirds carry most of itRain washes it into storm drains that flow to waterways

2. 2. For a short trip under 2 km, which usually produces the most emissions per person?

   A full busA car with one personWalkingBiking

3. 3. What should you NOT pick up with bare hands?

   A candy wrapperA paper cupA plastic bottleBroken glass or needles

4. 4. Why do short car trips pollute more per kilometre?

   Cold engines burn fuel less cleanlyRoads are rougherCars go faster in townFuel is weaker in the city