Don’t think that you alone can’t make a change. The world is nothing when there is no single individual.
So every one of you are the part of the world society.
Have a habit of disposing the waste properly.
*Thermal solar energy
*Photovoltaic solar energy
*Waste water treatment
When this is done the world is half saved. You know who holds the responsibility of the next half?
“The government” The government has to take measures like passing few rules to reduce global warming.