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Thématiques 2 et 3 [ScienceDirect, via Biblio-SHS] Auteur : Heiko J. Jahn Paru dans : Public Health Forum, Volume 20, Issue 2, June 2012, Pages 27.e1-27.e4 Public Health und Stadtentwicklung Summary Chinese megacities pass through rapid change, coined by fast economical and population growth. This leads to impaired governability and the necessary infrastructural measures, to protect the environment, cannot keep up with this developments. This results in substantial health threatening pollution. Existing laws and regulations should be implemented of all governmental levels from the central government down to the city sub-district level to improve urban health.

Auteur : David Pilling December 26, 2011 "By 2050, 75% of the world will live in cities. Faced with this inexorable shift, humanity's goal should be to manage our future in a metropolis, not to succumb to it, writes David Pilling"

China's coastal megacities and soon-to-be one billion urban population face growing threats from flooding and natural disasters. Olivia Boyd reports.

In lieu of an abstract, here is a brief excerpt of the content: Building upon decades of global market flows, population migrations, digital technology, and accelerated interconnectedness, the twenty-first century is facing remarkable urban transformations (Harvey 1990, 2005; Sassen 2001; Holston 1999; Brenner 2004). In 1800, 3 percent of the world's population lived in cities. In 2008, that figure reached over 50 percent (Population Reference Bureau 2011). These transformations are most evident in the emerging nodes of an interreferencing urban Asian renaissance (Roy and Ong 2011). Eight of the world's ten megacities (those with populations over ten million) are in Asia. In postreform China, which is conscious of its rising power and eager to catch up with worldly pursuits, city building has reached the scale, intensity, and audacity of a revolution (Campanella 2008; Ren 2011). What characterizes this dramatic urban transformation in China? Who are its major players and winners, and who is marginalized or excluded? What cultural meanings and lifestyles are visibly forged? How are these processes intertwined with nationalistic aspirations, social divisions, and political contestations? What analytical insights and theoretical reflections can we gain at this historical juncture from an urban postmodern linking China, Asia, and the rest of the globe? These are some of the issues in the minds of Asian scholars across the disciplines. I hope this review will provide an opening for us to engage in multiple conversations, hence my citing the works of many colleagues.

Sur le site "The Urban China Initiaitve" 4/05/2012 By Li Jing ( China Daily) Urban leaders do more to safeguard environment, conserve resources Small and medium-sized cities are more livable than big cities such as Beijing and Shanghai gauged by their air quality, waste treatment capacity and built environment, according to newly published research by Urban China Initiative. A woman rides a bicycle on a windy day in Beijing. According to recently published research by Urban China Initiative, Beijing and Shanghai were absent from a ranking of the top 10 Chinese cities gauged by their environmental sustainability. [Photo/China Daily] UCI, a think tank launched by Tsinghua University, McKinsey & Co and Columbia University, gauged the sustainability of 112 major Chinese cities using 17 indicators in four categories - society, economy, environment and resources. Beijing ranked first in sustainability thanks to its heavy investment in social welfare - including social security, education and healthcare - and its economic achievements. The top 10 cities in overall score - including Xiamen, Fujian province, Haikou, the capital of Hainan province, Dalian in Liaoning province, and Shanghai - are all medium and large-sized cities. However, small and medium-sized cities are taking the lead in environmental sustainability. Both Beijing and Shanghai were absent from the top 10 in this category. According to the research, Haikou has the best air quality, while Hefei, capital of Anhui province, took the lead in waste treatment facilities. And Xining, the capital of Qinghai province, boasts the best built environment - man-made surroundings that serve as the setting for human activity. "Such a result shows that small cities have a better quality of life, though people living in megacities like Beijing and Shanghai have better access to medical and educational resources," said Jonathan Woetzel, co-chair of UCI, as well as a senior global dir