The climate and weather are a currently important topics that
attract attention from the media, the general public,
politicians and scientists. Massive flooding all over Wales and
England, Tornadoes at the English South coast, exceptional?
According to the British Met Office was the year 2000 the
wettest year across England and Wales since 1872. It was also
announced that the current warm period that started a few
decades ago is likely to continue in the coming years. This and
other climatic variations in recent decades gave rise to a
growing concern that human activities may be changing the
earth's climate. A decline in temperatures from the 1940s to the
late 1970s gave rise to the belief that industrial pollutants
were causing global cooling. Since then the earth shows a global
rise in temperature which has been attributed to the increased
concentrations of atmospheric carbon dioxide and other human
produced greenhouse gases. Climate models suggest that this
warming trend could accelerate in the coming 100