pollution,global warming,natural resources. what if we face this problems?

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Its really hard to recover from injury.In the same way if its hard to maintain over pollution.We are facing many problem from pollution.Humans have created car working with electricity or batteries but its very costly thats why many people are not buying it.Because of the machines working with fuel our natural resources are diminishing day by day and one day will come when we will be facing fuel scarcity.We humans should try to save natural resources not to depend on it.Guess how much of fuel is used by the whole world per day,its hard we can't even calculated how much is burned.but we can stop it and save it it will be help us in future. It will also help in global warming.