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The Twenty-Ninth Day: Accommodating Human Needs and Numbers to the Earth's Resources
Brown, Lester R. (Earth Policy Institute)
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The Twenty-Ninth Day: Accommodating Human Needs and Numbers to the Earth's Resources
Brown, Lester R. (Earth Policy Institute)
A lily pond, so the French riddle goes, contains a single leaf. Each day the number of leaves doubles—two leaves the second day, four the third, eight the fourth, and so on. Question: If the pond is completely full on the thirtieth day, when is it half full? Answer: On the twenty-ninth day.
384 pages
| Media | Books Paperback Book (Book with soft cover and glued back) |
| Released | April 1, 1978 |
| ISBN13 | 9780393056730 |
| Publishers | WW Norton & Co |
| Pages | 380 |
| Dimensions | 127 × 203 × 25 mm · 484 g |
| Language | English |
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