Solar energy
Door closed - Energy saving
Deforestation
Air pollution
Lights out - Energy saving
Hydrolic Power - Embankment Dam
Wind Energy
Nuclear Energy
wind turbine
trash
industrial pollution
polluted Earth
polluting the water
consequences of polluted water
conserving water
Fruit - a healthy choice
activities
recycling
stripped forest
airplane - pollution
windmills
factory - pollution
factories - pollution
garbage collector
wind energy - windmill
