Climate Change in the Modern World
|The Climate Depends on Many Natural Factors but Mankind May be Making Things Worse.|
are widely accepted as having a significant long-term effect on the global
climate and human activity is accepted as contributing to the concentrations
of these. For further details of greenhouse gases, see our Reference page on Global Warming, Greenhouse Gases and Carbon Sinks.
There are, however, other influences as well, some of which can be catastrophic in the geological short-term; some are briefly discussed below.
The Images below illustrate how climate can produce serious damage and how man can, contrarily, attempt to counter the effect; even if only for a finite time.
View of Hotel Rear Showing Serious Erosion. Click to see full damage in progress.
Same View One Year Later After Remedial Action Involving Import of Thousands
of Cubic Meters of Beach Sand. Click to see Improvement.
|The world's climate is judged by many factors.
Perhaps the main indicator is the Global Temperature Record which
has been recorded for about 140 years. Other phenomena include precipitation,
the melting of ice in the polar regions and from mountains, and the severity
of extreme weather conditions such as droughts and floods across the world
as a whole. There are many more indicators which are used to assess the
climate as it has changed in the past and to try to predict future trends.
Two references, recommended for more details are The
University of East Anglia Climatic Research Unit and The Environmental
Protection Agency (EPA).
|In summary, despite the enormous levels of energy fed to, and radiated from the earth's surface it seems that the beneficial state of affairs is sustainable providing the composition of the atmosphere remains sensibly constant. Some of the factors which maintain or disturb the critical balance have been identified above. It may appear to be beyond us to draw conclusions but we have to be concerned at the thought of a really major volcanic eruption or, dare we say it, an impact from a significant meteor? No point in worrying about those because there's little we can do anyway. On the other hand we can genuinely concern ourselves about excessive production of the greenhouse gases which is entirely our responsibility and totally under our control.|
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Originated: January 2001, Updated: 8 May, 2013