renewable, replaces itself naturally, or is easily replaced because there is a large supply of it, recycling, the process of treating used objects or materials so that they can be used again, sustainable, able to continue without causing damage to the environment, carbon dioxide, a colorless, odorless gas produced by burning carbon (CO2), carbon footprint, the amount of carbon dioxide produced by a particular person, group, etc., solar power, using the sun's light and heat as an energy source, carbon emissions, a chemical substance that exists in an impure form as coal, petrol etc, sent into the air as a gas

Environment

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