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Published byAbigayle Ross Modified over 9 years ago
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1-2 Population Growth How rapidly is the human population growing? – Exponential growth (increasing at 1.3% each year) – Questions to think about Should we be concerned with the increasing world population size? What should be done to slow the rate of growth? – Developed vs. Developing Countries
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1-3 Economic Growth, Economic Development, Poverty, and Globalization What is economic growth? What is economic development? –Economic growth may be one aspect of economic development but is not the same Economic growth: –A measure of the value of output of goods and services within a time period Economic Development: –A measure of the welfare of humans in a society –A small proportion of the population can own a large amount of the wealth in a country
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Population Wealth What are these 2 maps illustrating?
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1-4 Resources What is a resource? – Resource – anything obtained from the environment to meet human needs and wants What are perpetual and renewable resources? – Perpetual – a resource that is renewed continuously – expected to last as long as the sun lasts – Renewable – a resource that can be replenished in a fairly short amount of time (hours to decades) – forests, wild animals, fresh air… What are nonrenewable resources? – Nonrenewable – a resource that exists in a fixed quantity; can not be renewed within a human time scale –Energy resources (coal, oil, natural gas), metallic minerals (iron, copper, aluminum), nonmetallic minerals (salt, clay, sand)
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How can we prolong the use of nonrenewable resources? Reduce Reuse Recycle Refuse
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Reduce Using fewer resources Examples: –Drive less (reduce consumption of gasoline) –Turn lights off (reduce consumption of electricity) –Buy fewer newspapers (reduce consumption of paper) –Use a refillable mug, instead of a single-use coffee cup (reduce consumption of paper or polystyrene) –What else?
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Reuse Use a resource over and over again in the same form Examples: –Use an old soda bottle as a water bottle –Use an old computer box to store your “Star Wars” collectibles –Use plastic grocery bags as trash bags –What else?
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Recycle Reprocessing a resource into a new product Examples: –Aluminum cans (recycled into new cans) –Paper (recycled into newspaper) –Plastic milk jugs (recycled into toys, fencing, etc.) What else?
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Refuse Don’t use the resource altogether Examples: –Don’t take free samples that you won’t use (t-shirts, pens, lanyards, etc.) –Don’t buy products that use non- recyclable or non-reusable materials –Bike or walk, rather than drive –What else?
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Can it be recycled? Papers 1.Tissues 2.Magazines 3.Phone books 4.Milk cartons 5.Newspapers 6.Paper bags 7.Big Mac wrappers 8.Post-it notes 9.Books (with covers) 10.Cardboard 11.Cereal boxes
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Can it be recycled? Glass 1.Window glass 2.Drinking glasses 3.Drink bottles 4.Mirrors 5.Light bulbs 6.Brown glass ** Don’t forget to rinse your glass and remove any lids **
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Can it be recycled? Metals 1.Aluminum cans 2.Tin cans 3.Aluminum foil 4.Aluminum food trays 5.Metal scraps 6.Hangers ** Don’t forget to rinse your containers and flatten foil when possible **
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Can it be recycled? Plastics 1.Soda bottles 2.Yogurt containers 3.Tupperware/Gladware 4.Mustard containers (squeezable) 5.Cutlery (knives, forks, spoons) 6.Milk jugs 7.Cups (ex: Solo) 8.CDs and DVDs 9.Plastic grocery bags 10.Styrofoam cups 11.Plastic toy ** Don’t forget to rinse your plastic and remove any lids **
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