Original sentence: During the 1950s, 1960s and 1970s, the world was overtly polluted.It could be said that the environmental movement started with Malthus in the 18th century.Malthus predicted, so far incorrectly, that world food supply would never be able to keep up with increasing world population.Teddy Roosevelt, who largely initiated the idea of National Parks in the USA, was another major influence, although he would be thought more as a conservationist than environmentalist.The environmental movement is the social and political movement directed towards the preservation, restoration, or enhancement of the natural environment via government controls and limitations on human activity, notably industrial activity
Edited sentence: " David Attenborough, The Daily Telegraph, London, 12 November 2005."If we [humans] disappeared overnight, the world would probably be better off."Lomberged" has come to be used as a verb, describing a virulent counter-attack from the environmental movement on a critic of the movement.(For example, in 2005 British naturalist and TV personality David Bellamy "came out" on his belief that climate change science is nonsense; he was "Lomberged" by the environmental movement.(Malthus predicted, so far incorrectly, that world food supply would never be able to keep up with increasing world population.)  Teddy Roosevelt, who largely initiated the idea of National Parks in the USA, was another major influence, although he would be thought more a conservationist than environmentalist today.During the 1950s, 1960s and 1970s, the world was overtly pollluted.See: Environmental movement in New Zealand, Environmental movement in the United States.The "Environmental movement" is the social and political movement directed towards the preservation, restoration, or enhancement of the natural environment via government controls and limitations on human activity, notably industrial activity.You could say the environmental movement started with Malthus in the 18th century