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Global Warming MapNow there is a thing that we call a global warming map. It illustrates what climate changes and how every part of the world is affected by this global predicament. As mentioned, every part of the globe is experiencing its effects. From North America to East Asia, every region is having different problems regarding the result of global warming. The United States and Canada, being two wealthy industrialized countries, are two of the largest emitters of greenhouse gases that contribute to a warming climate. The manifestations are clearly shown by the significant changes in the environment in North America. For example, in Alaska, between the mid-1950s and mid 1990s the glaciers thinned by an average of about 1.6 feet or 0.5 meters per year. This was the result of a study of 67 glaciers. On repeat measurements the rate of thinning had increased to nearly 6 feet or 1.8 meters per year from the mid-1990s to 2000-2001. Rapid warming has also been experienced since the 1960s. Their average temperatures annually per decade over the last three decades have warmed to 1.8§F or 1§C. Winter warming has been as high as 3§F or 2§C per decade. There are also signs that indicate the extent of these climate changes. Also in Alaska, there have been changes in vegetation patterns. A significant increase in shrub abundance in tundra areas between the Brooks Range and the Arctic coast were seen when photographs taken from 1948-1950 and in 1999-2000 were compared. This is due to increasing air temperatures on average of 1.8§F or 1§C per decade for over the last three decades. In Asia climate change is also occurring though with different changes are experienced due to the difference of environment. Like in Mongolia, they had the warmest century of the past millennium. From 1980-1999, tree growth was the highest of any 20-year period on record and since 1950, had 8 of the 10 the highest growth years. Over the past 50 years, its average annual temperature has swollen by about 1.3§F or 0.7§C. Scientists fear that the problems will continue and worsen if nothing is done to bring under control the emission of heat trapping gases. Comments |
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