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2 BACKGROUND
Pages 3-9

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From page 3...
... Second, the anticipated climatic effects include changes in the global circulation of air and water. Global average temperature is often used as an indicator of the various climatic effects.
From page 4...
... What is needed is a breakthrough in strategies for development, especially with respect to energy supply and demand. Developing countries experiencing rapid economic growth will need effective mitigation programs if they are to avoid substantial increases in their greenhouse gas emissions.
From page 5...
... TRENDS IN HUMAN ACTIVITIES AFFECTING GREENHOUSE GAS CONCENTRATIONS Table 2.1 presents emission estimates for five greenhouse gases (CO2, CH4, CFC-1 1, CFC-12, and N2O) that accounted for about 87 percent of the increase in the heat-trapping capacity of the atmosphere in the 1980s and about 92 percent of the increase over the previous 100 years.
From page 6...
... 1990. The Economics of LongTerm Global Climate Change: A Preliminary Assessment Report of an Interagency Task Force.
From page 7...
... are metric; 1 Mt equals 1 million metric tons.) The United States is the world's largest contributor of greenhouse gas emissions.
From page 8...
... Table 2.3 shows CO2 emissions per unit of economic activity for recent emissions data. The table illustrates that some developing countries and centrally planned economies are large emitters of greenhouse gases per unit of
From page 9...
... Geneva, Switzerland: Food and Agricultural Organization of the United Nations. economic activity and that the United States is in the middle of the field.


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