solar panels, We produce our own energy using the ______ fixed on the roof of our house. They work really well on sunny days., renewable energy, Costa Rica uses almost only _________ mostly water power and wind., greenhouse gas, Lower the heating in your house and you'll reduce _______ emissions., power stations, Forty per cent of the world's ________ produce energy by burning coal., recycle waste, We always _______ such as paper, glass or plastic., environmentalproblem, At school we discussed the most worrying __ like global warming, nuclear energy, We use atoms to produce ________, natural resources, Oil, metals, gas and also sunlight and air are examples of ________

Environmental issues

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