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BEIJING -- China may entirely switch to non-food materials such as cassva, sweet potato, sorgo and cellulose in producing ethanol fuel as a substitute for petroleum, said a government official. The country would approve no projects designed to produce ethanol fuel with food from now on, an official of the National Development and Reform Commission (NDRC) told a seminar on China's fuel ethanol development held in Beijing on Saturday. "Food-based ethanol fuel will not be the direction for China," said Xu Dingming, vice director of the Office of the National Energy Leading Group, who was also at the seminar. China has been trying to avoid occupation of arable land, consumption of large amount of grain and damages to the environment in developing the renewable energies. The current four enterprises engaged in producing corn-based ethanol would be asked to switch to non-food materials gradually, according to the NDRC official who declined to be named. The four enterprises in Jilin, Heilongjiang, Henan and Anhui have a combined production capacity of 1.02 million tons of corn-based ethanol per year. The country has become a big producer and consumer of ethanol fuel in the world after the United States, Brazil and European Union, according to the NDRC official. China Oil and Food Corporation (COFCO), the country's largest oil and food importer and exporter, would focus on sorgo in the production of non-food-based ethanol fuel, said Yu Xubo, president of COFCO at the seminar. COFCO, which owns the Heilongjiang enterprise and has a twenty-percent stake in the Anhui enterprise, aims to produce five million tons of ethanol fuel based on sorgo in the near future. COFCO is leading the way in developing cellulosic ethanol fuel under a cooperation agreement with Denmark-based Novozymes, which leads the world in researches into the key enzymes needed in large-scale production of cellulosic ethanol. The current cost for producing ethanol fuel from stalks of corn, which are discarded by farmers, is still too high. Novozymes is working on the commercialization of cellulosic ethanol both in the United States and China. "We are optimistic about China's prospect of making it work ahead of the US, as the cost of collecting the stalks of corn are much cheaper in China," said Steen Riisgaard, president and CEO of Novozymes. There is much opposition both in China and in the world to corn-based ethanol fuel, which is believed will lead to higher corn price.

Chinese children have grown taller and heavier in recent years but their health is getting worse, a senior education official said on Wednesday, criticising pressure from parents and teachers to study. A pupil raises his hand to answer questions at a class in Jiaxing, east China's Zhejiang Province, in this photo taken on April 6, 2005. "The inappropriate educational concepts, which put study ahead of anything else and impose great burden on pupils, have seriously affected their healthy growth," said Liao Wenke, an official in charge of youth development. "The endurance, strength and lung capacity of the children continue to fall - and rapidly, especially in the last 10 years," Liao told a news conference. The average height of children aged seven to 18 had increased by up to 1 cm in 2005 from 2000, and the average weight had also risen - but the performance in sports had declined. "Obese schoolchildren are increasing in numbers swiftly, and the percentage of myopia remains high," he said. China now has the world's second highest myopia rate among schoolchildren, blamed in part on too much study, and obesity among the young has become a major health concern. Chinese parents and teachers pressure children to succeed at an early age, with holidays and leisure time often sacrificed for homework to ensure success in college entrance exams. The education ministry had urged schools nationwide to pay more attention to sports and lighten children's burden by reducing homework and increasing exercise, Liao said. President Hu Jintao also emphasised the importance of sports for children this week, urging local governments to use "healthy competition" to shape Chinese youth.

BEIJING - Floods and landslides have killed at least 360 people across China this summer and destroyed more than 4 million hectares (15.4 million sq miles) of crops, Xinhua news agency said on Wednesday. Direct economic losses were 24.3 billion yuan (.21 billion), according to latest figures from the State Flood Control and Drought Relief Headquarters. "Apart from 217,000 houses wholly or partially destroyed, more than 4.28 million hectares of grain crops have been hit, with 2.03 million hectares totally destroyed," headquarters deputy director Cheng Dianlong was quoted as saying. Most of the deaths occurred after downpours across the Jialing River Valley in the southwest province of Sichuan which have resulted in floods in almost all the tributaries of Jujiang River, a branch of the Jialing, and triggered severe mountain torrents, mud-rock flows and landslides. "Ferocious floods battered 40 counties along their route, submerging the downtown areas of four counties and shattering two small dams," Xinhua said. Cheng warned the situation across the Huai River Valley was at flashpoint with all trunk rivers there reporting dangerously high water levels. China flooded dozens of evacuated villages to ease pressure from the swollen Huai in the eastern province of Anhui. More rain was forecast for the next two days along the Huai, flowing through the central province of Henan and the eastern provinces of Anhui and Jiangsu. A total of 545 people were killed by natural disasters in China in the first half of the year, according to a report released by the Ministry of Civil Affairs. Another 78 people went missing as a result of natural disasters, including floods, landslides, mudflows, gales, snowstorms and earthquakes.

The four-day Beijing air quality exercise held earlier in the month was met with mixed reaction.Diverse opinions were expressed by private car owners and public transport users.During the four days, cars bearing odd and even license plates were allowed on the roads on alternate days to see what effect this would have on the reduction of air pollution.According to a survey by Beijing Youth Daily, 61.9 percent of car owners opposed the practice in a long run while 78.2 percent of public transport users lauded it. The survey covered 3,000 residents.On the positive side, the exercise between August 17 and 20, showed a reduction in haze and smoother traffic flow.On the negative side, it has sparked further debate on the number of vehicles in the capital. About 1,000 new cars are registered every day in the city.Car owners argued that smoother traffic comes at the expense of individuals' convenience."Does being a car owner mean you have limited rights? That would be cruel and inhuman," Wang Hongsheng, head of the Volkswagen Polo club in Beijing, said.Fifty-seven percent of car owners shared his opinion.Among non-drivers, 21.9 percent did not think the even-odd plate exercise was a reasonable, scientific way to gauge air quality."It is an arbitrary way of stripping car owners of their rights. They pay for the convenience," a respondent said.Apart from the purchase price, the cost of owning a car in Beijing ranges from 10,000 yuan to 30,000 yuan (,300 to ,900) a year, he said.The survey also showed 36 percent of car owners were in favor of "public transport if managed well"."People are fed up with the poor condition of buses, and the metro where people are packed like sardines," another said.On options to improve traffic conditions, 49.9 percent said efficiency and lowering public transport fares should top the government's agenda instead of restricting car-ownership.Twenty-six percent of respondents said more roads and bridges should be built to reduce congestion, 14.5 percent were in favor of more flexible parking fees in relation to localities, and 9.5 percent said the use of bicycles, and walking should be promoted.

Walking up on a dais in traditional Chinese dress to receive your baccalaureate degree. Well, that can become a reality if a Peking University design contest throws up something novel and exciting enough to replace the Western-style gown, which till now have been worn by students. The prestigious seat of higher learning, long known for its tradition of innovation, launched the academic-gown designing contest on Thursday. The criterion: the costume has to be traditionally Chinese. The top design could become a must at the university's graduation ceremony in the not-so-distant future, according to the university's Communist Youth League committee, which is in charge of students' activities. "If the gown proves a success, we could introduce it in other universities, too," committee director Han Liu said. The contestants, students and teachers both, have been asked to submit their gown and cap designs before June 8. After the preliminary eliminations, the selected costumes will be displayed at this year's graduation ceremony on July 3. "It's an innovation because students in all Chinese colleges today use the same Western-style gown," said Lu Peng, another committee official. "It's also part of our campaign to promote culture and tradition on campus." Colleges students used to wear different types of gowns at the graduation ceremony till the State Council's Academic Degrees Committee promoted a standard one, the Western-style gown, in 1994. The degrees committee, however, told China Daily on Friday that it was not compulsory for all colleges to use the same gown. Scholars and students have been asking if Chinese people should wear traditional clothes on important occasions, such as graduation ceremonies. "Why should Chinese students wear Western gowns while receiving their degrees?" Sui Yue said. Sui is a sophomore and president of Peking University's Costume and Culture Association for Communication, a students' association that's helping organize the contest. The contest is open to all traditional Chinese clothes, she said, but "hanfu", the pre-17th century traditional dress of the Han Chinese, the majority ethnic group of China, has the edge because of its popularity among students. Wide sleeves, crossed collar-bands, layered robes and a fabric belt are the striking features of the hanfu. The contest reflects the revival of traditional Chinese culture, Li Zhisheng, a professor of history at Peking University, said.