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University of Toronto Scarborough
Environmental Science
Carl Mitchell

Environment more than water, land, air sum of our surroundings; includes scientific, ethical, political, economic, social relationshipsinstitutions Biotic living things animals, plants, forests, soils, people Abiotic nonliving things continents, oceans, clouds, rivers, icecaps Environment Canada to preserve Canadas natural environment Environmental science study of how the natural world works, how our environment affects us, and how we affect our environment Natural resources substancesenergy sources needed for survival Renewable natural resources sunlight, wind, wave energy (inexhaustible) Resource management strategic decision makingplanning to balance use of a resource with protection & preservation N Withdrawal from the stock with the rate of renewal or regeneration Stock harvestable portion of the resource Stock-and-flow resources renewable resources Non-renewable natural resource (fossil fuels and mineral deposits) finite because it forms slower than we use them not able to replenish within our lifetime N Once an atom has been split to release its nuclear energy, it will never return to its original state; once a species has become extinct, it will never return to life N Paleolithic (Old Stone Age) period fire & stoles as tools N Neolithic periodAgricultural Revolution hunters and gatherers N Industrial Revolution animal-powered agriculture, craftspeople, urban society, fossil fuels industrial pollution N Medical-Technologica
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