01-Intro-1(GEOG142) - World Regional Geography Matt Pobocik...

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Unformatted text preview: World Regional Geography Matt Pobocik World Regional Geography The 20th century was marked by: • two devastating world wars • the Great Depression of the 1930s • the end of vast colonial empires • rapid advances in science and technology • the Cold War • a sharp rise in living standards in North America, Europe, and Japan • increased concerns about the environment; forests, energy, water, biological diversity, air pollution • the onset of the AIDS epidemic • the ultimate emergence of the US as the only world superpower World • Area: total: 510.072 million sq km note: 70.8% of the world's surface is water, 29.2% is land • Natural hazards: large areas subject to severe weather (tropical cyclones), natural disasters (earthquakes, landslides, tsunamis, volcanic eruptions) • Environment - current issues: large areas subject to overpopulation, industrial disasters, pollution (air, water, acid rain, toxic substances), loss of vegetation (overgrazing, deforestation, desertification), loss of wildlife, soil degradation, soil depletion, erosion • Geography - note: the world is now thought to be about 4.55 billion years old, just about one-third of the 13-billion-year age estimated for the universe Planet's population continues to explode: • 1 billion in 1820 • 2 billion in 1930 • 3 billion in 1960 • 4 billion in 1974 • 5 billion in 1988 • 6 billion in 2000 • For the 21st century, the continued exponential growth in science and technology raises both hopes (e.g., advances in medicine) and fears (e.g., development of even more lethal weapons of war). World • Population: 6,446,131,400 (July 2005 est.) • Age structure: – 0-14 years: 27.8% – 15-64 years: 64.9% – 65 years and over: 7.3% World Religions • Christians 32.84% – Roman Catholics 17.34% – Protestants 5.78% – Orthodox 3.44% – Anglicans 1.27% • other religions 12.63% • non-religious 12.44% • Muslims 19.9% • Hindus 13.29% • Buddhists 5.92% • Sikhs 0.39% • Jews 0.23% • Atheists 2.36% World • GDP- per capita: purchasing power parity - $8,800 (2004 est.) • GDP - composition by sector: agriculture: 4% industry: 32% services: 64% (2004 est.) World • Unemployment rate: 30% combined unemployment and underemployment in many non-industrialized countries; developed countries typically 4%-12% unemployment • Military expenditures - dollar figure: aggregate real expenditure on arms worldwide about three-quarters of a trillion dollars (1999 est.) • Military expenditures - percent of GDP: roughly 2% of gross world product (1999 est.) • the United Nations High Commissioner for Refugees (UNHCR) estimated that in December 2003 there was a global population of 9.7 million refugees and as many as 25 million IDPs Introduction to World Regional Geography Introductory concepts are the foundation which the entire course is built upon Systematic Geography and Themes • Climatology – Climate extremes dictate materials and construction methods....
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This note was uploaded on 08/29/2011 for the course GEOG 142 taught by Professor Unknown during the Spring '11 term at Mott Community College.

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01-Intro-1(GEOG142) - World Regional Geography Matt Pobocik...

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