Clean-Air Commute — Full Week
SDG 3 · hard · +35 points · 7-question quiz · instant points when you pass
Travel a trip without breathing exhaust — walk, bike or transit. Seven days in a row, documented start and finish.
Quick quiz
These ask about details you only notice by really doing the task. Get every one right to pass.
1. While picking up litter, which item is the most common found worldwide?
2. For a short trip under 2 km, which usually produces the most emissions per person?
3. Why does litter on a street end up in rivers?
4. Why do short car trips pollute more per kilometre?
5. What should you NOT pick up with bare hands?
6. Which is good for your health and the planet?
7. Which of these is the best first step for less waste?