All Notes for GEOG 2253

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Unformatted text preview: Improve lands through soil cultivation Humans interaction with nature can be disruptive (negative) Deforestation & desertification Pollution of land, water and air Overall decline in biodiversity Global economy depends on the environment Lumber & precious materials Oil & coal Globalization and environmental issues are intertwined Destruction of rain forests in one region to supply goods for different region Global warming linked to world industry, commerce and consumption Global Climates— Human settlement and food production are closely linked to local patterns of weather and climate People in different parts of the world adapt to weather and climate in different ways Climate links us together in our globalized economy Opportunities Hardships Challenges in growing food Weather vs. climate Weather—short­term, day to day, even hourly expression (hot, rainy, etc.) Climate—long­term view of a climate region (need 30 years of statistical date) Climate region—boundaries drawn around areas with similar average climate conditions Determines what plants will grow there and what animals will inhabit it Climate Regions— Köppen Climate Classification—standard scheme used to describe the world’s diverse climates Climographs—provides information on average high and low temperatures and precipitation fro every month in a year (be able to read for the exam) Global Warming— Human activities associated with economic development and industrialization seem to be changing the world’s climate Raising the average temperature Anthropogenic— Materials from human activities, human causes pollution in the lower atmosphere Believed to increase the natural greenhouse effect and cause worldwide global warming Causes of Global Warming— Burning fossil fuels release carbon dioxide (CO2) Release of CFCs from air conditioning, aerosol sprays Methane production by burning vegetation—deforestation processes Nitrous oxide (N2O) results from the use of chemical fertilizers Global Climates— Natural greenhouse effect makes the Earth warm enough to support life (necessary to live) Global Warming— Effects of global warming— Global temperature raise by 2­4°F by 2030 Shifts in agriculture areas Decrease in grain production Increase in sea levels (expansion...
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