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AGEC/FNR 406 LECTURE 35

AGEC/FNR 406 LECTURE 35. Unsustainable Agriculture in the Philippines. Sustainable Development. Definition:

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AGEC/FNR 406 LECTURE 35

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  1. AGEC/FNR 406 LECTURE 35 Unsustainable Agriculture in the Philippines

  2. Sustainable Development Definition: A pattern of economic development characterized by a condition in which some arbitrary indicator indicator of HUMAN well being does not decline over time. The definition is anthropocentric. attempts to combine efficiency + equity

  3. Sustainability Starts with a notion of a “capital base” from which current and future well-being are derived. Contains both economic and ecological components key issue: relative tradeoffs between natural and other forms of capital

  4. Important Points 1. Informed by ecology, but human-focused. 2. Emphasizes ecological limits and discontinuity 3. Emphasizes conservation of critical components of natural capital stock (e.g. critical set-asides) 4. Focuses on limits to deterioration of ecological assets at all levels: local-national-global 5. Asks “what is the carrying capacity of a system?” 6. Asks “what are appropriate measures of resilience?” 7. Questions traditional measures of wealth.

  5. Indicators of Sustainability Most approaches are consistent with benefit-cost analysis. 1. Green “Net” National Product (gNNP) 2. Measures of “genuine savings” 1997 World Bank report: Expanding the Measure of Wealth Key set of indicators for tracking over time…

  6. Key Indicators of Sustainability Natural capital Pastureland Cropland Timber Nontimber forest products Protected areas Subsoil assets (minerals) Fishing stocks Human capital (education) Social capital (institutions)

  7. Ecological Economics • Branch of environmental economics that takes as its foundations a strong interpretation of ecological sustainability.environmental assets are special. rejection of “marginalist” perspective concern about energy and materials use discounting future costs is unacceptable • Irreversibility (can’t restore natural capital) • Uncertainty (systems poorly understood • Scale (threshold effects, large-scale damages)

  8. Key Points 1. Alternative views of what sustainability means 2. Views differ according to options for substituting natural and manufactured capital 3. Global measures are likely to be imprecise 4. Resilience is a useful indicator, but difficult to measure 5. "Green" national income measurements would be a first step: they make SD measurable.

  9. Some approaches to SD 1. Control pop growth, especially in environmentally critical areas 2. Ensure prices reflect both private and social costs 3. Eliminate reliance on fossil fuels 4. Reduce pollution emissions and waste 5. Eliminate poverty, especially in LDCs 6. Slow rates of deforestation, soil erosion, and fishery depletion 7. Develop new, appropriate "green" technologies

  10. UN Agenda 21 Plan of action regarding human-environment impacts Adopted by 178 governments at the UN Conference on Environment & Development (UNCED) in Rio de Janeiro, Brazil in June 1992 Focus: local participation, nine major groups representing various “special” interests. Follow-up World Summit on Sustainable Development held in Johannesburg in 2002.

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