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"We in the West can do something that no people in history have done: we can show the world that we know when we have enough … If the people who have everything are content to live with less, maybe the whole world will consider the virtues of knowing when to stop. We have no choice other than to learn this at some point, because the planet is not an eat-all-you-can buffet. It’s going to run out."John Lanchester (1962–), British journalist and novelist
Source: Speech. “Enough” (December 12, 2010) -
"Green is the first socio-political movement in which every single leader and spokesperson is filthy rich."Julie Burchill (1959–), British journalist
Source: Independent (London) (August 18, 2010) -
"Accustomed to saving natural systems from civilization, Greens now have the unfamiliar task of saving civilization from a natural system—climate dynamics."Stewart Brand (1938–), US author
Source: Whole Earth Discipline (2010) -
Jean-Christophe Vie, French conservationist
On a report that 25% of the world’s mammals face extinction
Source: Quoted in Time (October 6, 2008) -
Michael O'Leary (1961–), Irish CEO of Ryanair
Source: Quoted in The Times (London) (August 2, 2008) -
Gaston Vizcarra (1952–), Peruvian ecological entrepreneur and president of Candela Peru
Source: Forbes (April 2000) -
"Study how a society uses its land, and you can come to pretty reliable conclusions as to what its future will be."Ernst Friedrich Schumacher (1911–1977), German-born British economist and conservationist
Source: Small Is Beautiful (1973) -
"Now there is one outstandingly important fact regarding Spaceship Earth, and that is that no instruction book came with it."R. Buckminster Fuller (1895–1983), US inventor, architect, and philosopher
Source: Operating Manual for Planet Earth (1969) -
Jose Ortega y Gasset (1883–1955), Spanish author and philosopher
Source: Meditaciones del Quijote (1914)

