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Social Ecological Economic Sustainable Bearable Viable Equitable.

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Presentation on theme: "Social Ecological Economic Sustainable Bearable Viable Equitable."— Presentation transcript:

1 Social Ecological Economic Sustainable Bearable Viable Equitable

2 A resource is renewable if:  It can be replenished by natural processes at a rate equal to, or faster than, its rate of consumption One must consider if:  Energy resources are renewable?  Agricultural resources are renewable?  Water resources are renewable?

3  Sustainability is a much more difficult term to define and has many connotations  1987 Brundtland Commission * defined sustainability…“to meet the needs of the present without compromising the ability of future generations to meet their own needs.” *United Nations. 1987."Report of the World Commission on Environment and Development." General Assembly Resolution 42/187, 11 December 1987.

4  The 1987 Brundtland definition is often adapted for a variety of purposes  Sustainable development  Sustainable agriculture  Sustainable communities  Sustainable energy

5 Social Ecological Economic Sustainable Bearable Viable Equitable The three pillars of sustainability are social, Ecological and economic.

6  Management of human consumption  Energy  Water  Food  Materials and waste  Environmental management  Air/atmosphere  Water (freshwater & oceans)  Land use

7  Address decoupling of environmental degradation and economic growth (avoid growth that depletes ecosystem services)  Account for value of ecosystem services  Recognize economic opportunity while integrating with ecological and social concerns

8  Enable peace, security and social justice to decrease poverty, to allow for equitable resource allocation and to promote human rights and gender equality  Support human settlements to create self- reliant communities

9 Earth Life Environment Sustainability requires a holistic approach Social Ecological Economic Sustainable

10 Q: Must something be renewable to be considered “sustainable?” A: YES, if a resource is renewable, if it can be replenished at a rate equal to or greater than it is being used, then it is sustainable! Q: Must something be sustainable to be considered “renewable?” A: NO, renewable resources can be exploited, resulting in environmental degradation Q: Are all renewable resources sustainable? A: NO, for example: A large hydro dam may provide renewable power, but it might drastically alter the environment and displace human populations

11 Photos by B. Ballard

12 Photos by P. Hofmeyer

13 Large Hydro: Hoover Dam [Source: Wikimedia Commons, accessed 7/18/2013] Irrigated & fertilized corn field [Source: Wikimedia Commons, accessed 7/18/2013]

14 Coal extraction [Source: Wikimedia Commons, accessed 7/18/2013] Slash-and-burn [Source: Wikimedia Commons, accessed 7/18/2013]

15 Are humans living sustainably? In order to be sustainable, the Earth’s resources must first replenish themselves equal to our consumption rate

16 Wind Solar Waste biofuels Crop rotation No till No fertilization Micro hydro Low enthalpy geothermal Dedicated bioenergy crops Crop rotation Sparing use of Fertilizers/pesticides Large geothermal Large Hydro Dedicated bioenergy crops Monoculture farming Intensive pesticides Intensive herbicides Natural Gas Nuclear Coal and Oil Slash and burn agriculture Most sustainableLeast sustainable

17 Two areas in which to improve the sustainability of your lifestyle: Transportation: Reduce/eliminate fossil fuel use Diet: Eat food produced locally

18 The mean distance for fruits and vegetables to get onto my dinner plate is 1,494 miles This is not including imported fruits and vegetables like pineapples, artichokes, kiwis, mangoes, and so on. Source: Leopold Center report “Food, Fuel, and Freeways: An Iowa perspective on how far food travels, fuel usage, and greenhouse gas emissions”, June 2001.

19 Photos by B. Ballard

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