Lecture2 - Pressing Problems Unsustainable Global Trends...

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CEE 3000/Sustainability 1 Sustainable Development: Applications in Civil Engineering Professor Adjo Amekudzi CEE 3000 Class #2 8/23/07 Pressing Problems/ Unsustainable Global Trends Population Growth Rapid urbanization Depletion of natural resources Extraction of non-renewable resources Increasing consumption of energy, water, materials Land Surface Degradation Desertification Deforestation Soil erosion Loss of Habitat Wastes/Pollution Atmospheric and Global Climate Change Air pollution, Ozone, Smog, Global Warming, Rapid Climate Change Drought, El Nino, floods, hurricanes Sea level changes Ecosystems Impact of domesticated biosphere, fertilizers to pesticides Loss of Biodiversity (Past, Present) Water Cycle Acid rain River water and Aquifer Pollution Water Quantity and Quality Pollution of the Oceans Growth of Cities: Cities with more than 1 million in 2000 . . . . . . and in 2025 What is Sustainability? To keep up, prolong (Merriam-Webster, 2003) Sustainability “Sustainable development is development that meets the needs (and aspirations) of the present generation without compromising the ability of future generations to meet their own needs.” (World Commission on Environment and Development, United Nations, 1987) Sustainability Definitions, Cont’d A sustainable process or condition is one that can be maintained indefinitely without progressive diminution of valued qualities inside or outside the system in which the process operates or the condition prevails. (Holdren et al., 1995) Sustainability Definitions Cont’d Sustainable development is development that improves the standard of living and quality of life, while at the same time protecting and enhancing the natural environment and honoring local culture and history. -- Deakin, Working Paper, Sustainable Development and Sustainable Transportation: Strategies for Economic Prosperity, Environmental Quality and Equity
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