Climate Change

2

Cover Art for 9781234425210, Climate Change by Albert Schaffle
ISBN: 9781234425210
Publisher: Books LLC
Format: Paperback
Editions:
17 other editions of this product
Part of Eyewitness Books (Series)

OCLC Number: (OCoLC)168414887 Subject: Administrative agencies -- United States -- Rules and practice -- Rules and practice. Excerpt: ... Table 1: Shares and Global Warming Potentials of Greenhouse Gas Emissions from U.S. Sources, 2004 Percentage of total U.S. greenhouse gas Global warming Greenhouse gas Major sources emissions potential Carbon dioxide Fossil fuel combustion, nonenergy use of fuels, and iron and steel production 85 % 1 Methane Landfills, natural gas and petroleum systems, agriculture, and coal mining 8 21 Nitrous oxide Agricultural soil management, transportation, and manure management 6 310 Synthetic gases Substitution of ozone-depleting substances, electric power a ( HFCs, PFCs, and SF ) transmission and distribution, and aluminum production 2 140 to 23,900 6 Source: Environmental Protection Agency. Note: Percentages do not sum to 100 percent due to rounding. a HFCs ( hydrofluorocarbons ), PFCs ( perfluorocarbons ), SF ( sulfur hexafluoride ). 6 The IPCC attributes increases in average global air and ocean temperatures, widespread melting of snow and ice, and rising mean global sea levels to a warming of the Earth's climate system. The IPCC reports that 11 of the 12 years between 1995 and 2006 rank among the 12 warmest years since 1850 ( the first year that global temperatures were recorded ) and are indicative of a strong upward warming trend over the last 50 years. Furthermore, according to the IPCC, since 1961, average global ocean temperatures have increased, because the oceans have absorbed more than 80 percent of the heat added to the Earth's climate system. Such warming causes seawater to expand, contributing to sea level rise. The IPCC also reports that mountain glaciers and snow cover have declined, on average, in both hemispheres, and that widespread decreases in the sizes of glaciers and polar ice caps, combined with losses in the ice sheets of Greenland and Antarctica, have very likely contributed to a sea level rise of 0.17 mete...

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