We must do to protect the environment, plant trees, reuse water, turn off the lights when we are not using them, recycle plastic, glass and metal, use solar and wind energy, use public transportation, reduce the amount of plastic bags we use, We mustn't do to protect the environment, cut down trees, waste too much water, turn on the lights when we are not using them, throw away plastic, glass and metal, use coal, natural gas, and petrol for energy, use our own cars, use pesticides in agriculture

Environment

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