Beijing, June 1 (Reuters) according to Canada\'s \"Ming pao\" report, global warming is carbon dioxide, it has become an international. But Lu Qingbin professor of physics at the university of Waterloo (photo) with solid data to challenge this notion, he thinks that the temperature variation is freon (Chlorofluorocarhbons, CFC). His theory has begun to attract the attention of the world scientific community. Lu Qingbin accept the newspaper interview, as a cornerstone of his theory is, if the carbon dioxide is contributing to climate warming transgressions, but in recent years, under the condition of rising carbon dioxide is still present, the global climate has fallen, it is difficult to convince. However, the amount of freon, and the trend of global climate change. Since 1950 s, global temperature increase at a speed of about 0.6 degrees Celsius every year, the period is as refrigerant freon won widely used in the world. But after that, freon was found the function of the ozone layer destruction, so throughout the world are prohibited from use. As a result, since 2002, with fewer freon global usage, also in the trend of decline in the global temperature. He believes that in the next 50 to 70 years, as the environment of freon content reduce continuously, temperature is still will be continued to decline. Lu Qingbin is fujian, graduated from fuzhou university department of physics, doctoral degree in Australia, also worked in American university. University of Waterloo in 2004, from the teaching assistant to associate professor, professor is now. His new theory on the global temperature change, this week has been published in the online journal of the international modern physics B. This kind of international science magazine press is very rigorous, need to please the expert inside course of study to 2 rounds of review; View of the author referred to as a model or theory, but also has exquisite. Often referred to as mode, only a solid foundation and data views, was known as the theory, lu\'s opinion is accepted as theory. Lu Qingbin said, traditionally, co2 causes global warming is the mainstream of science; There are also some scientists don\'t think that carbon dioxide is the main reason caused by temperature change, but they can\'t point out the main reason. He said, to challenge the existing mainstream theory, his research must be rigorous and solid. His article analyzed various data since 1850, a convincing conclusion. Smooth Dali dean MaiKeHong (Terry McMahon), said Lu Qingbin results, not only contributes to the scientific research, and policy for the public people, understand the global climate in the future, has highlighted the importance of. (article source: China news)