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Environment

Chemical Symbols to Know

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Chemical Symbols to Know SO2- Sulfur Dioxide (burning coal) NO- Nitric Oxide NH3- Ammonia H2O2- Hydrogen Peroxide H2SO4- Sulfuric Acid NO2- Nitrogen Dioxide CO2- Carbon Dioxide (#1 greenhouse gas) CO- Carbon Monoxide HNO3- Nitric Acid N2O- Nitrous Oxide O3- Ozone (NH4)SO4- Ammonium Sulfate SO3- Sulfur Trioxide CFCs- Chloroflorocarbons CH4- Methane (greenhouse gas)

Aquaculture Issues

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Aquaculture issues • escaping of aquatic crops as an invasive species • the relationship between effluents, eutrophication or pollution of water bodies, and changes in the fauna of receiving waters • land use, in particular conversion of sensitive areas such as mangroves and wetlands • water use and water loss from surface water systems • overexploitation of stock over other resource uses, such as fish oil • predator control, such as the killing of birds near aquaculture facilities • genetic alteration of existing stocks from escaped hatchery products • antibiotic and hormone use, which may influence aquatics species near aquaculture facilities b) EPA’s aquaculture threat list Exotic Species Human Bias Habitat Loss and Degradation Overexploitation Aquaculture Pollution

Think of an animal or plant that has shown natural selection and diversity through fragmentation besides the finches described in the textbook. Describe the diversification for that species.

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The Selection in evolution means generation of new biological species, usually by the division of a single species in two or more two specis of genetical difference. The rate of change in diversity depends on the rate at which taxa originate and become extinct. The number of taxa, N, changes over time due to origination and extinction. These events are analogous births or deaths of individual organisms in a population.

Comparing global warming to ozone depletion

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The Difference Between Global Warming and Ozone Depletion Foreman Room 102 1. Global Warming and Ozone Depletion take place in two different layers of the atmosphere: Global Warming Ozone Depletion Global Warming vs. Ozone Depletion: Causes Global Warming: cars, factories, rice farming, landfills: Infrared heat enters but is trapped by the chemicals when it tries to escape. The chemicals act like a blanket. CO2 CH4 NOx CFCs H2O Global Warming vs. Ozone Depletion: Causes Ozone Depletion: Propellants (hairspray), Air Conditioners, some manufacturing. Chemicals react with UV protecting ozone in the stratosphere. CFCs CCl4 CF4 Ozone is good up high but bad nearby Global Warming vs. Ozone Depletion: Environmental Effects and Human Health: GLOBAL WARMING

Climate Change

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Chapter 20 Climate Change and Ozone Depletion 1 Chapter Overview Questions How have the earth?s temperature and climate changed in the past? How might the earth?s temperature change in the future? What factors influence the earth?s average temperature? What are some possible beneficial and harmful effects of a warmer earth? 2 Chapter Overview Questions (cont?d) How can we slow projected increases in the earth?s temperature or adapt to such changes? How have human activities depleted ozone in the stratosphere, and why should we care? 3 Core Case Study: Studying a Volcano to Understand Climate Change NASA scientist correctly predicted that the 1991 Philippines explosion would cool the average temperature of the earth by 0.5Co over a 15 month period and then return to normal by 1995.

Chapter 13 - Renewable Energy Sources

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Sustainability Notes

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SUSTAINABILITY LECTURE NOTES environmental world views planetary management stewardship environmental wisdom ? major components of environmental literary ? Sustainability - ability of earths system to survive and adapt to changing environmental conditions to meet needs of present without limiting the ability of people an other species in the future Sustainable Living - taking no more potentially renewable resources from the natural world that can be replenished naturally and not overloading the capacity of the environment to cleanse and renew itself by natural processes ? ? Earth Charter - blue print for building more sustainable societies (UN thing)

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