We can fight air pollution by introducing rooftop plantation all over the world .Roof top plantation should be in govt buildings ,buses,taxi and other vehicles having roof.This will help us to create a fresh, pollution free environment .Laws can be implemented to make rooftop plantation mandatory for each and every building in cities.
Birds,butterflies and various insects have become perish in cities.Rooftop plantation will bring back the beautiful birds,bees,butterflies etc which are no longer seen in polluted cities of the world.
Ex:Tulsi has environmental benefits , tulsi plants in our surroundings purifies the air. Tulsi gives out oxygen for 20 hours and ozone for four hours a day
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