lecture21(spring2008)

lecture21(spring2008) - Lecture 25 Globalization and the...

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Lecture 25 Globalization and the Environment
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Climate change Freshwater scarcity Cropland and forests loss Increasing population Growing waste Growing consumption Lecture Organization Issues of concern: An overview
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The State of the Planet Climate Change (1) Diagram from IPCC
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The State of the Planet Climate Change (2) Diagram from IPCC
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The State of the Planet Access to water is arguably the world’s most urgent resource issue Every year about 5 million people die due to lack of access to water & sanitation Almost 30% of people live in countries suffering moderate-to-high water stress By 2025 more than 4 billion people will be living in water stressed countries Between 1900-1995 global freshwater consumption rose six-fold, more than double the population growth rate More than 20% of the world's freshwater fish species have become extinct, threatened, or endangered in recent decades In 60% of the European cities with more than 100,000 people, groundwater is being used faster than it can be replenished Resource Depletion - Freshwater
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The State of the Planet Population Growth
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