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Unformatted text preview: Bio 101, Fall 2008: September 18 Global Interlude: Fossil Carbon Civilization: Problems & Prospects Readings: Global Carbon Cycle * Scientific Consensus on Climate Change * Global Warming is changing the World * Recommended : Is the Global Warming Alarm Founded on Fact? * The IPCC * * All readings found on the lecture Blackboard site. Global carbon cycle Photosynthesis and respiration Biotic and abiotic reservoirs Biotic world locks up carbon; some of it is transferred from one living entity to another, some of it cycles back into nonliving part of ecosystem. Plants, in particular, assimilate and store vast quantities of carbon. Fluxes between reservoirs Burning of fossil fuels (coal and oil) and removal of Earth’s green cover (tropical rain forests) is releasing unprecedented amounts of CO2 into the atmosphere Global climate and greenhouse gasses Global climate change...
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- Fall '08