... pollution
Air pollution
... pollution
Land pollution
What is it ?
Overpopulation
What is it?
Deforestation
What is it?
Global warming
What is it?
Recycle
What is it?
Endangered species
... water!
Save water!
What is it?
Reuse
.... pollution
Noise pollution
How to save the Earth?
Plant trees
How to save teh Earth?
Use less plastic!
.... pollution
Water pollution
Its example of ...
Reuse
Save ....!
Save electricity!
What do those people do?
Volunteer
