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Papers > Science > Global Warming Volcanoes
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Global Warming Volcanoes |
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What is Global Warming? ... net) The principle global warming pollutant is carbon dioxide. ... Unless these emissions are reduced, the resulting increased temperature not only affects the environment, but also social systems and the global economy. The global temperature increase since the last ice age has been about 5 C. ... (Environmental News Network) Tracking Global Warming The main means of tracking climate change has been to synthesize hundreds of measurements of surface temperatures around the world into a global average. ... According to the Commerce Department, the global average surface temperature increased at a rate of about one degree per 100 years over the 20th century, but since 1976 the earth has been warming at the rate of about three degrees per century. (Revkin) Volcanoes and Global Warming About 50 volcanic eruptions occur each year worldwide. Volcanic eruptions are often times ignored as being responsible for the global warming of the world. ... Pinatubo erupted massive plumes of gas and debris that encircled the globe, scientists have been tracking satellite images to detect global warming. Volcanoes blast large masses of clouds and gases of carbon dioxide and sulfur dioxide into the atmosphere with every eruption. ... (Boston Globe) Carbon dioxide acts as a” glass shield,” allowing in some rays to enter, warming the atmosphere. The absorption of solar energy by volcanic material at high altitudes causes warming of the stratosphere. This in turn increases the temperature contrast between high and low latitudes, causing changes in global wind patterns. ... org) The ozone loss, or loss of the earth’s protective covering, causes global warming. Volcanic eruptions of recent history aid in the cause of global warming, and facts show that these are a main cause because of the constant introduction of hazardous elements, which are proven elements of global warming. |
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Title: Global Warming Volcanoes
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