Unit 9 Saving the earth Air pollution water pollution.
Air Quality & Your School’s Project. What do we mean by Air Quality? Air Quality means whether the air is clean or dirty If our air is clean it would.
Protect The Earth!
Energy and Environment
Monsters of energy
Preservation and Conservation
Man and nature. Living in the past and now? Life in the past was much simplier than at present Life in the past was much simplier than at present People.
Ev eryone needs a clean environment
You have to recycle everyday, Don’t waste electricity; it’s not the way.
