Why do people cut down trees? Have you ever cut down a tree?, What can we do when we use up all fossil fuels?, The Earth is heating up. Why is it dangerous?, Many animals can die out. What can we do to help them survive?, When do you think we will run out of gas and oil (нефть)? What can we do then?, Do you thing that nuclear power stations are dangerous? Should we close them down?, Is pollution a big problem where you live?, What renewable energy do you know? Can you use this energy where you live?, What can we do to take care of our planet?.




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