Chapter 15 - Chapter 15 Global Issues Today: Global Climate...

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Chapter 15 – Global Issues Today: Global Climate Change: The Earth’s surface temperatures have risen about 1.4 degrees (F) since the early 20 th century. The causes are mainly anthropogenic – caused by humans and their activities The burning of fossil fuels (oil, natural gas, and coal) releases substantial amounts of carbon dioxide The greenhouse effect (378) is a natural phenomenon that keeps the Earth’s surface warm. Today the atmospheric concentration of greenhouse gases has reached its highest levels in 400,000 years Scientists prefer the term climate change to global warming . The United States, China, and India have yet to endorse the 1997 Kyoto Protocol Signed by 170 countries imposes a mandatory cap on greenhouse gases Environmental Anthropology: The 1950s – 1970s witnessed the emergence of an area of study known as cultural ecology or ecological anthropology (380) . Early ecological anthropologists showed that many indigenous groups did a reasonable job of managing their resources and preserving their ecosystems. An
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Chapter 15 - Chapter 15 Global Issues Today: Global Climate...

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