ISB 202 1nd Edition Lecture 2 Outline of Last Lecture I. SyllabusOutline of Current Lecture II. Ecological FootprintIII. BiosphereIV. The Environmental MovementCurrent LectureEcological Footprint- Ecological Footprint measures how much land and water area a human population requires to produce the resources it consumes and to absorb its wastes under prevailing technology- That is, it measures the extent to which humanity is using nature's resources faster than they can regenerate - A child born in a wealthy country is likely to consume, waste, and pollute more in her/hislifetime than 50 children born in poorer nations Levels of Organization- Biosphereo “The integrated living and life-supporting system comprising the peripheral envelope of Planet Earth together with its surrounding atmosphere so far down, and up, as any form of life exists naturally.”- Vladimir Vernadsky (1863 – 1945)o That component of our planet where life is able to exist. Biospheric PrinciplesThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.o The biosphere is holoceonotic and self-adjusting; it is never static (constantly changing). Humans put more people and things on the environment that it can takeo Energy flows through the biosphere and is continually supplied by the sun.o The quantity of matter in the biosphere is finite and must be recycled for life to existo Homo Sapiens are animals and are part of the biosphereGaia Hypothesiso James Lovelock – English atmospheric chemisto Levels of organization of the universeo Inter- relatedness (Holoceonis: looks at things as a whole)o Earth is a single, self-regulating, super organismKey Moments in the Environmental Movement- 1872 Establishment of Yellowstone National Park- 1962 – Rachel Carson, Silent Spring- 1970 – Clean Air Act, EPA, First Earth Day- 1972 – Clean Water Act- 1972 – UN Conference on the Human Environment in Stockholm, Sweden,- 1972 Limits to Growth by Donella Meadows et al.- 1987- Montreal protocol- 1992 – Rio Earth Summit (Second UN Conference) - Agenda 21- 2000 – Kyoto Protocol- 2002 – Jo-berg Earth Summit (Johannesburg, S.A.)- 2007- Al Gore wins Nobel peace prize- Bali Conference on Climate Change- 2009-
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