Climate Change 101. What Is Climate? What Is the Greenhouse Effect?

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Presentation transcript:

Climate Change 101

What Is Climate?

What Is the Greenhouse Effect?

What Is Causing Climate Change? Global Carbon Cycle

What Is Causing Climate Change? Carbon Dioxide Level

What Are Greenhouse Gases?

How Is the Global Climate Changing?

How Is the Global Climate Changing? Global Temperature Change Scenarios

How Is the Global Climate Changing?

Projected Global Temperature Changes The Intergovernmental Panel on Climate Change (IPCC) projects that the average surface temperature of the Earth is likely to increase by 3.2 °F to 7.2 °F (1.8 °C to 4.0 °C) by the end of the 21st century, relative to (IPCC, 2007c). As seen in the slide’s graphic, warming is not predicted to be evenly distributed around the globe. Land areas will warm more than oceans in part because of the ocean’s greater ability to store heat. High latitudes will warm more than low latitudes in part because of positive feedback effects from melting ice. Most of North America, all of Africa, Europe, northern and central Asia, and most of Central and South America are likely to warm more than the global average. Projections suggest that the warming will be close to the global average in south Asia, Australia and New Zealand, and southern South America. Warming will differ by season, with winters warming more than summers in most areas. References: IPCC. 2007b. Climate Change 2007: Synthesis Report. Contribution of Working Groups I, II and III to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Core writing team: Pachauri, R.K, and A. Reisinger (eds.)]. IPCC, Geneva, Switzerland, p. 30. accessed August 31, 2009.Climate Change 2007: Synthesis Report