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Is prevention of global warming possible? Or is only mitigation of global warming possible? How fast do changes in the carbon dioxide emissions affect the average temperature increase? What are the effects of some proposed global warming solutions?
A new report of IPCC (Intergovernmental Panel on Climate Change) including an update on predicted effects of global warming by geographical regions has been released in April 2007. This report does confirm the cause and effects of global warming, which have already been know for years.
In this article, the effects of global warming by geographical area are summarized. Geographical regions looked at individually are Africa, Asia, Australia and New Zealand, Europe, Latin America, North America, Polar regions, small islands.
We show the urgent need to act in order to be able to mitigate global warming. For this purpose, we simulate different scenarios for the future emissions of carbon dioxide (CO2) and calculate their effect on the rise of the average temperature on Earth.
As a result, it still seems to be possible to avoid the most devastating effects on our environment. However we must start acting immediately. The longer we are talking instead of acting, the more drastic measures are needed.
Global warming is not about the others, global warming is about us and our personal behaviour . Everyone must assume responsibility and bring down his or her personal contribution .
This new report of IPCC will basically confirm the cause and effects of global warming, which have already been know for years. The evidence of earlier predictions is much increased and approaching certainty, however.
It took more than 20 years to broadly accept that mankind is causing global warming with the emission of greenhouse gases. The drastic increase in the emission of CO2 (carbon dioxide) within the last 30 years caused by burning fossil fuels has been identified as the major reason for the change of temperature in the atmosphere.
More than 80% of the world-wide energy demand is currently supplied by the fossil fuels coal, oil or gas. It will be impossible to find alternative sources, which could replace fossil fuels in the short or medium term. The energy demand is simply too high.
There is no doubt any more: Global warming (climate change) has been caused by human beings through the high emission of so called greenhouse gases (mainly carbon dioxide CO2). Carbon dioxide is inevitably emitted when fossil fuels (coal, natural gas or oil) are burned.
This finding has been accepted by hundreds of climate experts and governments world-wide. No one can ignore climate change any more and call global warming "a bad illusion of some greens".
In search for global warming solutions, people are suddenly asking for alternative energies. However, more than 80% of our energy is currently taken from the fossil sources oil, gas or coal. It is absolutely impossible to supply this much of energy from alternative sources within the next 10 to 20 years.
Therefore, we should first ask how much energy is really required to have a good quality of life, instead of taking our current energy consumption for granted or even indispensable. In a second step, we can then look for potential energy sources to fulfil this need.