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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
