Water pollution kills fish.
Water pollution is caused by humans.
Oil spills, chemical companies, and people who litter cause water pollution.
Garbage is things we throw out.
Garbage is burned, recycled, or buried.
We can reduce the amount of garbage by buying less items and recycling used items.
Deforestation is caused by cutting down trees in a large area.
Trees provide oxygen for humans and animals.
The forest is a home to birds, insects, and other animals.