What is this?, pollution, deforestation, soil erosion, climate change, what is this?, cut down trees, pollution, climate change, soil erosion, what is this?, deforestation, pollution, climate change, soil erosion, what is this?, plant a tree, turn off the lights, recycle, turn off the tap, what is this?, plant a tree, turn off the lights, recycle, turn off the tap, what is this?, waste paper, turn off the lights, save water, clean your house, what is this?, waste paper, turn off the lights, plant a tree, turn off the tap, what is this?, recycle bags, turn off the lights, plant a tree, turn off the tap, what is this?, recycle bags, turn off the lights, recycle bottles and cans, turn off the tap, what is this?, walk to school, use public transportation, recycle bottles and cans, ride a bike, what is this?, walk to school, use public transportation, throw garbage in the street, recycle garbage.

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