Margaret Mead BUILDING A SUSTAINABLE ENERGY FUTURE As soon as humans started tilling the earth, we began to have impacts on the environment.
(humans; started; tilling the earth) Context(humans started,List([62, 76))):(humans; started tilling; the earth) (we; began; to have impacts on the environment; T:As soon as humans started tilling the earth) Context(we began,List([96, 104))):(we; began to have; impacts on the environment)
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to have impacts on the environment T:As soon as humans started tilling the earth
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