ENVIRONMENT: THE SCIENCE BEHIND THE STORIES W/MYENVIRONMENTPLACE Chapter 1 Readings

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Department
Environmental Science
Course
EESA01H3
Professor
Carl Mitchell
Semester
Fall

Description
Chapter 1: An Introduction to Environmental Science Our environment is more than just our surroundings: Environment is more than water, land, and air; it is sum total of our surroundings o Includes all of Earths biotic components (living things like animals, plants, forests, soils, people) and abiotic (nonliving things like physical constituentscontinents, oceans, clouds, rivers, icecaps) Environment Canada: to preserve and enhance the quality of Canadas natural environment, conserve our renewable resources, and protect our waters Environmental science explores interactions bw humans and the physical and biological world: We depend on environment for air, water, food, shelter, and everything else essential for living Environmental science: study of how the natural world works, how our environment affects us, and how we affect our environment Natural resources are vital to our survival: Natural resources: various substances and energy sources we need to survive Renewable natural resources (sometimes called stock-and-flow resources): natural resources (sunlight, wind, wave energy) that are replenishable over short periods o groundwater: regeneration limited by infiltration of groundwater to replenish an aquifer o soil: physical and chemical weathering of rock to produce soil Resource management: strategic decision making and planning aimed at balancing the use of resource with it protection and preservation Basic premise of renewable resource managementboth living and non-livingis to balance the rate of withdrawal from the stock with the rate of renewal or regeneration Stock: harvestable portion of the resource Nonrenewable natural resources: things like fossil fuels, mineral depositsare in finite supply and depletable (can take 100 million yrs. for natural geological processes to form an ore deposit or a petroleum deposit) www.notesolution.com
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