The Intergovernmental Panelon Climate Change (IPCC) is set to submit its fourth assessment report on climate change to the 2007 UN Climate Change Conference taking place on Indonesia's Bali island.
The IPCC was set up in 1988 by the World Meteorological Organization and the United Nations Environment Program to assess the scientific and technical literature produced worldwide on climate change. So far, the body has published four assessment reports.
The first assessment report was completed in 1990, and served as the basis of the United Nations Framework Convention on Climate Change. The report said levels of man-made greenhouse gases were increasing in the atmosphere and predicted these would cause global warming.
The second assessment report, published in 1995, concluded that the balance of evidence suggests a discernible human influence on global climate.
The third assessment report was published in 2001. It said there was new and stronger evidence that most of the warming over the last 50 years was attributable to human activities.
The IPCC released its fourth assessment report in November this year, saying that warming of the climate system was unequivocal. It also said with 90 percent certainty that human activities, especially the burning of fossil fuels, had caused global warming during the past 50 years.
The report warned that urgent action must be taken to reduce greenhouse gas emissions otherwise climate change will intensify and have a dramatic effect on nature and human society.
Source: Xinhua
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