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Environmental Science The study of the impact of humans on the environment Ecology The study of how living things interact with each other and their non living environment. Difference between Environmental Science and Ecology? Human interaction in Env Science specifically, Ecology is everything, living and nonliving 5 parts of Env. Science Biology, Earth Science, Physics, Chemistry, Social Science Why is Env. Science multidisciplinary? In order to truly understand science you need the input of many different fields of study. Hunter Gatherer impact on Environment... Burned Trees to allow hunting...Extinction of species...overall very low impact Agricultural Revolution Impact... Loss of fertile soil-exhausted, Water shortages, Floods, Erosion, Habitats burned for farmland-Medium impact, some damaging effects, but not widespread terribleness Industrial Revolution Burning Fossil Fuels, Artificial substances, High Impact, could destroy the Earth Agriculture The process by which plants or animals are grown and harvested for human and animal consumption Industrial Revolution Time period when humans could start mass producing products from raw materials Natural Resource Something found in the earth that is beneficial to mankind Renewable A resource that can be remade quickly Nonrenewable A resource that cannot be remade quickly or cannot be remade at all Depleted When a large fraction of the resource has been used up Pollution Any waste that has a negative impact on the environment Biodegradable Pollutants that can be broken down by natural resources Non-biodegradable Pollutants that cannot be broken down by natural resources Biodiversity Refers to the number and varieties of species that life in an area Mass Extinctions When human interference causes mass amounts of animals/plants to die Difference between renewable and nonrenewable resources Renewable, can be remade quicly, nonrenewable takes a long time, if it can be renewed 3 Products renewable Wood, Water, Air 3 nonrenewable Coal, Petroleum, Diamonds Tragedy of the Commons Title of an Article written Garrett Harden, 1968, said there will always be a struggle because individuals will use up resources that are common even though that's not what they intend. Developed Countries higher average income, slower population growth, diverse industrial economies Developing Countries Lower average incomes, simple and agricultural based economies, rapid population growth