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The Causes and Consequences of the Enhanced Greenhouse Effect and Global Climate Change

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The causes and consequences of the enhanced greenhouse effect and global climate change

Figure [ 1 ] - The greenhouse effect diagram, http://www.ozcoasts.gov.au/indicators/images/oze_fs_009_02.jpg
Figure [ 1 ] - The greenhouse effect diagram, http://www.ozcoasts.gov.au/indicators/images/oze_fs_009_02.jpg
“The unprecedented increases in greenhouse gas concentrations, together with other human influences on climate over the past century and those anticipated for the future, constitute a real basis for concern” (American Geophysical Union, 2014). The Earth's surface temperature has to be just right for humans, not too cold and not too hot. Thanks to the natural greenhouse effect, which has kept the Earth warm. It’s a phenomenon where the earth's atmosphere traps solar radiation, caused by the presence in the atmosphere of gases such as carbon dioxide, water vapor, and methane that allow incoming sunlight to pass through but absorb heat radiated back from the earth's surface. As there are naturally occurring greenhouse gases in the atmosphere that help keep the Earth warm, added amounts of these gases leads to extra heat being trapped in the Earth’s atmosphere. These gases (carbon dioxide, methane etc.) are being added by human activities and are enhancing the greenhouse effect as shown in figure 1. The global climate change is causing many environmental consequences and will cause more.

There are five gases that contribute to the enhanced greenhouse effect. These five gases are water vapour, carbon dioxide, methane, oxides of nitrogen and chlorofluorocarbons. The human activities have increased the concentrations of these five gases into the atmosphere.

Water Vapour Scientists say water vapour is the most dominant greenhouse gas. Water vapour is also the dominant positive feedback in our climate system and increases any warming caused by changes in...

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