fossil fuel – n. a fuel, such as coal, oil, or natural gas, that is formed in the earth from dead plants or animals

greenhouse gas – n. relating to or caused by the warming of the Earth's atmosphere that is caused by air pollution

mismanage – v. to control or organize something badly

emission – n. the act of sending gas, heat or light out into the air

achievable – adj. able to be brought about or reached successfully

extinction – n. when a plant or animal completely dies out and disappears

calorie – n. a unit for measuring the amount of energy food provides

rotation – n. to regularly change the way a process is carried out
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