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Global Warming

According to the National Academy of Sciences, the Earth's surface temperature has risen by about 1 degree Fahrenheit in the past century, with accelerated warming during the past two decades. There is new and stronger evidence that most of the warming over the last 50 years is attributable to human activities. Human activities have altered the chemical composition of the atmosphere through the buildup of greenhouse gases, primarily carbon dioxide, methane, and nitrous oxide, which traps heat in the Earth's atmosphere.

Agreement Over Global Warming at G8 Unlikely
Watson, the US Administration's chief climate change negotiator has said that the US will not agree to any reduction in emissions at the G8 meeting in July. This is a blow to British Prime Minister Tony Blair who hoped that he would be able to persuade America to put artificial constraints on energy use.
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Does Increased Solar Activity Invalidate Greenhouse Effect?
Three papers recently published in Science suggest that the amount of solar radiation reaching Earth has increased considerably in recent years. The levels of energy reported dwarf the estimated contribution of the greenhouse effect. What does this mean? The authors suggest that the numbers are overestimates, but if the numbers are right then there is somthing badly wrong with greenhouse theory.
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Europe Likely to Demonstrate Kyoto's Infeasibility
Europe is almost certain to breach its collective commitment for greenhouse gas reduction under the Kyoto Protocol. This will mean each country will be responsible for its own reductions after 2012, most likely with significant penalties. Also, Europe will not be allowed to rely on the Emissions Trading Scheme to secure post-2012 reductions.
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