Air Pollution
In some cities, the air is dangerous to breathe. Air pollution is when noxious gases and chemicals get suspended in air. Think about the smog covering some areas of California and New York. Dirt, grime, exhaust fumes, and other aerosols go into the air. These pollutants can go up in the atmosphere and infect our clouds creating acid rain, or they can just hang out like smog does and make it harder for people to breathe.
Water Pollution
Humans need water to survive. That is a fact. However, trash and chemicals can get thrown into the ocean and lakes. This is called water pollution. Not only can they affect fish and other marine life, when pollutants get into the water, they have a devastating effect on the water cycle. Natural causes of water pollution include algae blooms and volcanos. However, humans also cause water pollution through trash and wastewater from factories.
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