PM25

2. The roads and bike paths that the city needs to maintain for our safety.
4. A toxic gas at ground level that forms part of urban smog.
7. The type of pollution generated by heavy traffic on unpaved roads.
8. A person who joins environmental causes freely to help clean the air.
9. Heavy vehicles responsible for transporting cargo but also for high gas emissions.
11. Fine particulate matter that goes straight into our lungs when we breathe heavily.
13. The type of fuel used by old buses and trucks that contaminates the most.
14. A popular electric two wheeled vehicle used by students for micro mobility.
15. The main thing we protect when we choose sustainable ways to travel.

1. The dangerous dark soot emitted by old diesel transit buses.
3. The thick toxic mixture of gases and smoke produced by cars and buses.
5. The toxic gases released into the air from a vehicle exhaust pipe.
6. Everything that surrounds us and that we must protect from pollution.
10. Our beloved green campus in Bogota where thousands of students arrive every morning.
12. The classic eco friendly vehicle that makes Bogota a famous city for cycling.