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Resource & Environmtl Mgmt
REM 100
Neil Braganza

REM 100 th September 14 2012 Terminology Global change -Human induced transformation of the global environment. Environment -The complete range of external conditions, physical and biotic, in which an organism lives, including soil, water, climate and food supply. -It includes social, cultural, and (for humans) economic and political considerations. Institution -Institutions embody the particular sets of values, norms and roles that a society believes to be essential for its continued existence Examples -politics, governments and the law -the economy and work -the arts and education What makes a problem global? -It cannot be solved by any one country acting alone.ts. -its solution challenges the status quo in world order. -It challenges global inst.tutions -It captures world-wide attention usually from an event or series of events -the problem is persistent -It arouses our compassion -It is inter related to other global issues -it exposes the inter-dependence between countries and regions Fundamental principle of ecology -you can never change just one thing Fundamental principle of economics -there is no such thing as a free lunch Corollary -everything is connected to everything else Fundamental principle for interpreting politics -anyone who says they have the answer hasn’t understood the question Biosphere The part of the earth that consists of all living organisms and their perspective environments Sometimes referred to as the “ecosphere” Includes the following elements: . incident energy – primarily solar, but includes radioactive decay . land – soils and wetlands . freshwaters – rivers, lakes and icecaps . oceans, sea – ice and the seafloor . atmosphere – oxygen, nitrogen, H2O, CO2 and trace gases The Great Transformation -The transformation of the biosphere from its “natural state” by human action -During the great transformation the elements of the biosphere have been altered by human activities, often substantially -However, the natural state of the environment is a difficult concept because the environment has undergone considerable change since the end of the last ice age -This becomes an enduring questions in environmental debate: how much of the change we see is due to human activity versus that arising from natural variability? Mode of adaptation -together with the physical limits of the environment, a mode of adaptation determines the population size can be supported by a given environment EG: hunting and gathering, agriculture, industrialisation Environmental impacts of hunter gatherers -It is a popular belief that a hunter gatherer lived in harmony with nature -However, harmony with nature is a vague
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