Air Pollution in cities
Smog
What is the dirty air caused by cars and factories?
Litter
What do we call trash that is left on the ground?
Green spaces
What do we call grassy places like parks and trees in cities?
What kind of car uses electricity instead of gas?
Carbon dioxide
What gas from cars and trucks makes the Earth warmer?
Water pollution
What happens when oil or chemicals go into the water?
Shrubs
What do cities plant in parks and streets to give shade and clean the air?
Solar energy
What type of energy comes from the sun?
Trees
What helps clean the air in cities by giving off oxygen?
Landfill
Where does most city trash go after it’s collected?
Sustainable building
What type of building is designed to use less energy and reduce pollution?
Bike lanes
What do cities build to help people ride bikes safely?