lecture notes

lecture notes - EnvironmentalScience 16:26

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Environmental Science 16:26 Environmental issues are much ore than climate change Current Rate species extinction is more serious than climate change Book Starts on Easter Island
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16:26 Easter Island Very remote island off coast of Chile The Dutch visited the island on Ester Sunday 1722 Found society in a primitive state with about 3000 people living in reed huts or  caves, engaged in almost perpetual warfare and resorting to cannibalism Europeans then enslaved most of these people and further degraded the  islands ecosystems However, what amazed and intrigued the first European visitors was the  evidence of a once flourishing and advanced society Scattered across the island were over 600 massive stone statues on avg. The Lessons of Easter Island Society fails to care for the environment and sustain it Population increases beyond carrying capacity Disparity between rich and poor widens How to prevent a Global Version of the Easter Island Disaster Understand how the natural world works Understand how human and natural systems interact with each other Accurately assess the status and trends of crucial natural ecosystems Establish long term sustainable relationships with the natural world Global Environment Picture Rapid human population growth and increasing consumption per person Decline of ecosystems Global atmospheric changes Lost of biodiversity
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16:26 Prehistoric times took 35,000 years Only 40 years presently Decline of Ecosystems – last50 yrs  Large conversions of natural habitat to agriculture and urban areas 20% of the worlds coral reefs were lost and 20% degraded 35% of mangrove area has been lost o nursuries for fish o occupy coastal area’s, prevent erosion from coasts o amount of water in reservoirs quadrupled o withdrawals from iver and lakes doubled Global Atmospheric Changes Surface Air Temperature Loss of Biodiversity 5-35% loss by 2050 (from 1970 species estimate) habitat alteration exploitation pollution How do we proceed to a sustainable future? Three Strategic Themes – How do we proceed to a sustainable future?
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16:26 Sustainability: interactions with the natural world that we should be working  toward Stewardship: the ethical and moral framework of our actions Sound science:  the basis for our understanding of how the world works Three Strategic Themes 1.)  Dimensions of a sustainable solution o environmental o social  o economic o political o GDP The GDP is simply a gross tally of everything produced in the US –  products and Services Commonly used to indicate progress
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This note was uploaded on 10/27/2009 for the course NRME 1000 taught by Professor Ebbin during the Fall '08 term at UConn.

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lecture notes - EnvironmentalScience 16:26

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