“Three and a half million years separate the individual who left these footprints in the sands of Africa from the one who left them on the moon. A mere blink in the eye of evolution. Using his burgeoning intelligence, this most successful of all mammals has exploited the environment to produce food for an ever-increasing population. In spite of disasters when civilisations have over-reached themselves, that process has continued, indeed accelerated, even today. Now mankind is looking for food, not just on this planet but on others. Perhaps the time has now come to put that process into reverse. Instead of controlling the environment for the benefit of the population, perhaps it's time we control the population to allow the survival of the environment.”
Closing lines
The Life of Mammals (2002)
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David Attenborough 70
British broadcaster and naturalist 1926Related quotes
Misplaced compassion
Focus Fourteen

2014, Statement on Cuban policy (December 2014)
Context: While I have been prepared to take additional steps for some time, a major obstacle stood in our way –- the wrongful imprisonment, in Cuba, of a U. S. citizen and USAID sub-contractor Alan Gross for five years. Over many months, my administration has held discussions with the Cuban government about Alan’s case, and other aspects of our relationship. His Holiness Pope Francis issued a personal appeal to me, and to Cuba’s President Raul Castro, urging us to resolve Alan’s case, and to address Cuba’s interest in the release of three Cuban agents who have been jailed in the United States for over 15 years.
Today, Alan returned home –- reunited with his family at long last. Alan was released by the Cuban government on humanitarian grounds. Separately, in exchange for the three Cuban agents, Cuba today released one of the most important intelligence agents that the United States has ever had in Cuba, and who has been imprisoned for nearly two decades. This man, whose sacrifice has been known to only a few, provided America with the information that allowed us to arrest the network of Cuban agents that included the men transferred to Cuba today, as well as other spies in the United States. This man is now safely on our shores.
Having recovered these two men who sacrificed for our country, I’m now taking steps to place the interests of the people of both countries at the heart of our policy.
General G. Baker, Jr., "Letter to Draft Board 100, Wayne County, Detroit, Michigan," SOULBOOK, II, (Spring 1965), 133-134, in Black nationalism in America, John H. Bracey (Indianapolis: Bobbs-Merrill, 1970), 506-8. ( page scan from another source http://speakersforanewamerica.com/gendraft.html)

Interview in the book The Sustainability Secret https://books.google.it/books?id=z7KnDAAAQBAJ&pg=PT0 by Kip Anderson and Keegan Kuhn (2016).

Univision interview, , quoted in * 2012-09-19
Will Romney's claim he's for '100 percent' help him bounce back? (+video)
Steve
Holland
Christian Science Monitor / Reuters
http://www.csmonitor.com/USA/Latest-News-Wires/2012/0919/Will-Romney-s-claim-he-s-for-100-percent-help-him-bounce-back-video, also in [2012-09-19, RomneyComms, Romney: My Campaign Is About The 100 Percent, YouTube, http://www.youtube.com/watch?v=fLwU2wjYyiM]
2012

How Many People Can Live on Planet Earth? (BBC Horizon, 2009)

Interviewed, together with his wife, at Georgetown University gotnews http://gotnews.com/ebola-czar-called-overpopulation-top-leadership-issue/ (2008)