GEOG 3P85 Lecture Notes - Lecture 2: National Audubon Society, David Lunan, Millennium Development Goals
16 Jul 2015
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Geog 3p85 lecture 2: the human population problems. Main topics covered in this long slide set: un millennium development goals, gender issues, national popn. planning efforts, Winston churchill: the farther backward you can look the farther forward you are likely to see. Terminology: zero popn. growth: birth rate = death rate, biological carrying capacity: fao estimates ca. 50 billion: cultural carrying capacity: 8 billion, un in 1994 estimated 8 billion by 2020 . Human pop doubling every 30 yrs: modern humans began (ca. 100,000 yrbp, before agriculture: nomadic scavengers, boom & bust cycles, small clutch size , pop control by abandonment/infanticide, after 90,000 yrs popn was 50 million. 11,000 yrs ago: agriculture in iran, new guinea and peru, pop = 4. 5 billion by 9800 bp, Harvests led to villages/maize farms in mexico & Slow popn growth until metal tools (bronze then iron) by ca.
