pollution - when water or air is not clean, factory - a place where people work and produce things, rainforests - the lungs of our planet, renewable - a kind of energy source, smoke - it comes out from the factory chimney, overpopulation - too many people, poverty - when people have no money, no food, unemployment - when a person has no job, crime - when a person did something against the law and has to be sent to jail, issue - a problem,a question, greenhouse - a type of gases, climate - we say " a ........ change", fossil - fuels that we can burn, sea - water levels which are rising, improve - to make something better,

Global issues

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