dumping garbage in a small part of the forest building a road through the middle of the forest burning dead trees to make smoke in the air preventing too many trees from being cut down
People can help keep a forest a good place for birds to live by

Options:
- dumping garbage in a small part of the forest
- building a road through the middle of the forest
- burning dead trees to make smoke in the air
- preventing too many trees from being cut down

preventing too many trees from being cut down