Identifying Changes Useful and Harmful in the Environment

Farmers can no

longer harvest vegetables.

• Air pollution

• Water pollution

• Land pollution

Red tide is affecting the northern coast of the country.

• Air pollution

• Water pollution

• Land pollution

The smell of the garbage is suffocating the villagers.

• Air pollution

• Water pollution

• Land pollution

Mine tilling are thrown in rivers.

• Air pollution

• Water pollution

• Land pollution

Garbage is thrown in empty spaces in residential areas.

• Air pollution

• Water pollution

• Land pollution

Cutting of trees

• Useful

• Harmful

Shaping of wood to make furniture

• Useful

• Harmful

Hammering/shaping iron to make bolo

• Useful

• Harmful

Burning of old tires

• Useful

• Harmful

Shredding paper for paper mache

• Useful

• Harmful