global population and mobility

• thomas malthus

  • one of the known english economic analysts
  • "principle of population" first distributed in 1798

  - affirmed that the number of population in a given nation develops

  at a geometric rate while food flexibility grows numerically
• william vogt "the road to survival" 1948
• fairfeld osborn "our plundered planet" 1948
• ehrlich IPAT - environmental (I)mpact is calculated as the product of (P)opulation growth, income or (A)ffluence, and (T)echnology
• current population - 7,800,000,000 ++
• overpopulation impact on nature

  • biodiversity loss
  • climate change
  • world pollution
  • deforestation
  • water and food deficiency
• philippine population:

  2015 - 100.57 million

  2010 - 92.10 million

  2000 - 76.33 million

  99.6% - included

  0.4% - institutional population
• drivers of population growth:

  • agriculture
  • public health (1950)
  • improved health care situation (1900)
• drivers of current increase in population

  • decreases in mortality among infants
  • increases in longevity