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XINING, Oct. 3 (Xinhua) -- China will put environmental concerns as top priority in tackling ways to exploit combustible ice, a kind of natural gas hydrate, in the permanent tundra in its northwest plateau region, said a combustible ice project leader.     "We do not need to drill very deep to get the flammable frozen compound from tundra here in Muli Prefecture in Qinghai Province. However, as the sample is taken out, methane gas is easily released into the atmosphere," said Wen Huaijun, chief engineer of the combustible ice project in Qinghai.     He said the project team under the China National Administration of Coal Geology is carrying out research to guarantee that the exploitation of the frozen natural gas does not cause environmental problems.     Combustible ice is regarded as a potential source of alternative energy to coal and oil. One cubic meter of combustible ice can release 164 cubic meters of natural gas.     The Ministry of Land Resources said on Friday that the prospective volume of the natural gas hydrate in the country's frozen earth regions is estimated to reach 35 billion tonnes of oil equivalent.     China announced the first discovery of the resource under the bed of the South China Sea in May 2007.     Wen said the environmental threats from the use of the resource even in a land-based region is enormous, because it releases carbon dioxide or methane into the atmosphere.     "The plateau region is very sensitive to environmental changes. The biological conditions here are vulnerable," he said.     Combustible ice usually exists in seabed or tundra areas (two mediums having the strong pressure and low temperature necessary to its stability). It can be lit up like solid ethanol, which is why it has the name "combustible ice."     Wen said the combustible ice research project has been carried in Muli Prefecture, 4,100 meters above sea level, since 2004.     "It still takes time and a huge amount of research investment to realize the dream of exploiting the resource, while ensuring the environment," he said.     Wang Jianbin, deputy director of the Qinghai Bureau of Land Resources, said at the present stage, the project focus is still to ascertain locations of the deposit, and carry out a feasibility study on its exploitation.

BEIJING, Sept. 18 (Xinhua) -- The Communist Party of China (CPC) central leadership vowed Friday to enhance intra-Party democracy by improving Party congress and election systems.     Less than two weeks ahead of the 60th anniversary of the founding of the People's Republic of China (PRC), the 17th CPC Central Committee made a consensus at its fourth plenary session which ended Friday, calling for bettering the democratic decision-making mechanism within the Party in order to maintain the CPC's centralization and unity.     After the four-day close-door meeting, the CPC Central Committee agreed in a communique upon pushing forward intra-Party democracy, which allows broad representation of Party-wide wills and propositions, and, subsequently, drives people's democracy.     Hu Jintao, general secretary of the CPC Central Committee, said at the 17th CPC National Congress on Oct. 15, 2007, "We will expand intra-Party democracy to develop people's democracy and increase intra-Party harmony to promote social harmony." Hu Jintao, general secretary of the Communist Party of China (CPC) Central Committee, delivers a work report at the Fourth Plenary Session of the 17th CPC Central Committee, which was held from Sept. 15 to 18 in Beijing, China"The realization of intra-Party democracy must rely on the guarantee of all Party members' democratic rights to know, to participate, to vote and to supervise all internal affairs of the Party," Hu, also Chinese president, said at another occasion months ago.     Yu Keping, a prominent theorist who serves as deputy director of the CPC Central Compilation and Translation Bureau, said people's democracy was the ultimate goal of China's democratic politics, whereas the Party's internal democracy spearheads to achieve the ultimate goal.     Political scientists said the CPC's stance of institutionalizing itself towards a more transparent and democratic ruling party reflects its increasing preparedness for the new situation, which was summarized by the latest communique as "long-term, complicated and draconian tests" for the CPC's ruling capability, the reform and open-up policy, adoption of a market economy and adaptation to outside circumstances.     Wang Changjiang, a scholar at the Party School of the Central Committee of the CPC, said "the new situation" might be a combination of diversified problems, such as the economic downturn, mass incidents and ethnic issues.     Wang's alert coincided with the sober-minded perspective of the CPC central leadership, which says in the communique that "it has never been so onerous and pressing that the Party must effectively manage and discipline itself."     One solution to those challenges is to beef up teams of "high-caliber cadres" through democratic, open, competitive and merit-based selection channels.     The communique said the Party should encourage best people to stand out from peers to take key Party or governmental posts.     Xu Yaotong, a researcher at the China National School of Administration, said direct election of officials, which was a foundation of intra-Party democracy, could start from the county level.     Some provinces, such as southwestern Sichuan and eastern Jiangsu, have tried out direct elections, in which grassroots candidates ran for township-level Party leadership.     With the idea of improving the Party congress system, the CPC is expected to try to mandate more power to delegates to various levels of congresses, who hold equal voting rights, regardless of official status, for decisions at Party congresses.     The ruling CPC is the largest political contingent in China, with about 76 million members growing rapidly from 4.4 million in 1949 when the PRC was founded.

KABUL, Aug. 9 (Xinhua) -- A China-bound Afghan plane with Kam Airlines landed on the airport of Kandahar city in southern Afghanistan Sunday night, said sources of Kabul International Airport.     An official in Kabul International Airport who was reluctant to disclose his name said the plane scheduled from Kabul, the capital city of Afghanistan, to Urumqi of northwest China's Xinjiang Uygur Autonomous Region has already landed on Kandahar airport.     "The plane would return to Kabul after two hours," he added. Armored vehicles withdraw from the Urumqi airport, northwest China's Xinjiang Uygur Autonomous Region, early August 10, 2009, after the airport was restored to order. An Afghanistan plane scheduled from Kabul to China's Urumqi was reportedly bomb threatened Sunday, triggering an emergency response at the airport. The plane finally landed on the airport of Kandahar city in southern Afghanistan after China's aviation department denied its landing in UrumqiThe airport official said the plane made the unexpected landing due to some "mechanical problem".     Meantime, president of Kam Airlines, Zamarai Kamgar, told Xinhua that it is the first flight day for Kam from Kabul to Urumqi and the plane was refused by Kyrgyzstan to pass its territory.     The Boeing-767 plane was carrying more than 200 passengers, including five Chinese.     "The plane chose to land in Kandahar city at first step because weather condition in Kabul was not suitable at that time," Kamgar added. Passengers walk in the Urumqi airport, northwest China's Xinjiang Uygur Autonomous Region, early August 10, 2009, after the airport was restored to order. An Afghanistan plane scheduled from Kabul to China's Urumqi was reportedly bomb threatened Sunday, triggering an emergency response at the airport. The plane finally landed on the airport of Kandahar city in southern Afghanistan after China's aviation department denied its landing in Urumqi "The plane has made landing efforts in Kabul airport, but failed. Maybe it is because of strong wind," a Chinese passenger named Pan Dongjie told Xinhua from Kandahar.     Earlier, armed police sources in Xinjiang said the Afghan plane scheduled to Urumqi was bomb threatened.     "Now all the passengers are asked to stay on board," Pan said. "I have known about the bomb threat. I want to leave the plane as soon as possible."

BEIJING, Sept. 13 (Xinhua) -- China said on Sunday the U.S. decision to impose special protectionist tariffs on tire imports from China is grave trade protectionism and goes against its commitments made at the Group of 20 summit.     "We hereby express our strong discontentment and firm opposition to the U.S. decision, which was made regardless of China's solemn stance," Foreign Ministry spokeswoman Jiang Yu said in a statement.     U.S. President Barack Obama decided to impose a tariff on tires imported from China on Sept. 11, which will begin with a 35-percent duty the first year and decrease to 30 percent the second year and 25 percent the third year on passenger vehicle and light-truck tires from China.     "The United States, by making the decision, failed to honor its commitments made at the G20 financial summit and abused trade remedy measures, which is grave trade protectionism and will undermine the China-U.S. economic and trade ties as well as the early recovery of world economy," Jiang said.     China has lodged solemn representation to the U.S. side and reserves its right to take further actions, Jiang said.

BEIJING, Sept. 19 (Xinhua) -- Top Chinese leaders including President Hu Jintao on Saturday visited an exhibition showcasing the achievements New China has made in the past six decades.     Former President Jiang Zemin, top legislator Wu Bangguo, Premier Wen Jiabao, top political advisor Jia Qinglin, and other senior leaders including Li Changchun, Xi Jinping, Li Keqiang, He Guoqiang and Zhou Yongkang also visited the show. Chinese Former President Jiang Zemin (R, front) visits an exhibition showcasing the achievements New China has made in the past six decades in Beijing, China, Sept. 19, 2009. The leaders said they were excited to see the achievements New China has made since its founding, after the adoption of the reform and opening-up policy in particular, which were displayed through various means including pictures and video clips.     They agreed the exhibition vividly showed the historical process of the Communist Party of China (CPC) uniting and leading people of all ethnic groups across the country to blaze and develop the path of socialism with Chinese characteristics.     Hu said after the visit that China was still a developing country and the road ahead was still full of difficulties both foreseeable and unforeseeable.     He called on the people across the country to work with one heart and make unremitting endeavor for the rejuvenation of the Chinese nation.     The exhibition, covering progresses in economic, political, cultural, social and Party constructions, will run till Oct. 20. Wu Bangguo (2nd R), chairman of the Standing Committee of China's National People's Congress, visits an exhibition showcasing the achievements New China has made in the past six decades in Beijing, China, Sept. 19, 2009