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王国倩

作品数:2 被引量:10H指数:2
供职机构:中国人民大学环境学院更多>>
发文基金:中国社会科学院重大课题更多>>
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Desertification and Its Mitigation Strategy in China被引量:4
2012年
China is severely impacted by desertification. Of its territory, 34,6% -- some 3.32 million km2 -- is classified as drylands (including arid, semi-arid and semi-humid arid areas). Of the drylands, 2.62 million km2 meets the UNCCD definition of desertified land. These desertified lands spread across 18 provinces and account for 27.33% of the country's landmass. Over 400 million residents are affected, causing an annual direct economic loss exceed 64 billion CNY. China's desertification mitigation began in late 1950s. Through a number of high-profile programs "Three-North Shelterbelt Development Program", "National Program on Combating Desertification", "Sandification Control Program for Beijing and Tianjin Vicinity", and "Croplands to Forests or Grasslands Program" launched between 1978 and 2000, the Government of China has poured on average 0.024% of the country's annual GDP into desertiflcation mitigation and, as a result, some 20% of desertified lands have been brought under control. Approximately 50×104 km2 of the existing desertified lands are considered restorable given current technology. When the potential desertification increments induced by global warming are taken into account, total desertifled area within planning horizon is projected to range from 55×104 to 100×104 km2. With the approximate restoration rate of 1.5×104-2.2×104 km2 y-1, China's anti-desertification battle is expected to last 45-70 years. The current strategic plans set restoration targets at 22×104 km2 by 2015, with an additional 33×104 km2 by 2030, and the fnal 45×104 km2 of the 100×104 km2 restored by 2050. Through examining state investment in mitigation and current rehabilitation strategies, the paper recommends: (i) boardening the previous sectoral perspective to a multi-stakeholder approach; (ii) setting priority zones within the restorable area, and establishing National Special Eco-Zones; (iii) steering state investment from government investment in tree plantations to acquisi
王国倩王学全吴波卢琦
低碳经济的认识差异与低碳城市建设模式被引量:6
2011年
发展低碳经济虽然成为国际社会的共识,但发达国家和发展中国家对低碳经济的概念有不同的理解。由于所处发展阶段的不同,发达国家强调的是绝对的低碳,而发展中国家强调相对的低碳,进而在低碳城市建设的目标和模式上表现出很大的不同。无论绝对的低碳经济还是相对的低碳经济,都是为了实现控制温室气体排放的全球共同愿景,反映出全球向低碳经济转型的阶段性特征。
王国倩庄贵阳
关键词:低碳经济低碳城市
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