What harmful gas, produced by burning fossil fuels, contributes the most to climate change?
Carbon dioxide
What is it called when fertilizer-filled water runs off farms into rivers?
Runoff
What causes thermal pollution in rivers near power plants?
Hot water released by the plants.
Which sectors contribute the most to global pollution?
Industry and transportation.
What is one simple way to reduce air pollution?
Use a bike instead of driving.
What is the name of the smoky mixture of air pollutants common in cities?
Smog
What is a major source of plastic in the ocean?
Single-use plastics
Why is thermal pollution dangerous for fish?
It lowers the dissolved oxygen in water.
What role do individuals play in pollution?
We use plastics, cars, and electricity.
What can governments do to reduce water pollution?
Make laws to limit waste from factories.
What 1970 U.S. law regulates air pollutants?
The Clean Air Act
What is the process of a substance being washed from a solid into a liquid, often causing pollution?
Leaching
How does deforestation increase thermal pollution?
No shade means hotter water.
Why are governments blamed for environmental problems?
For weak laws or not enforcing them.
What can communities do to help fight pollution?
Organize cleanups