Tag Archives: urban development

Sustainable Urban Environment in Delhi Mega City: Emerging Problems and Prospects for Innovative Solutions

Cities are the engines of growth and indicators of progress. Besides, they have widespread implications on environment and human society. There is large scale incidence of urban
poverty and slums in cities of developing countries. This has resulted in mismatch between infrastructure, resources and population, leading to degraded and unsustainable urban environments. The unprecedented urban growth is also referred as pseudo-urbanization for the reason that this growth is exceptionally unbalanced. The footprints of urbanization, concretization and land use conversion are visible in the form of urban heat island (UHI) formation that poses threat to human health and wellbeing. The study addresses above issues in national capital – Delhi.

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Health and wellbeing in sustainable urban development

Human futures are urban futures. During the last decade, the number of people living in cities exceeded the number living in rural areas for the first time in human history (Ash et al 2008). For the foreseeable future, most human lives will be urban lives. Yet, if anything, these figures underestimate the influence of the global urban transition on humanity and the planet. While urban areas occupy just 3% of land surface, they are responsible for perhaps three-quarters of carbon emissions and natural resource utilization (UNEP 2012b).

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An Application of NASA MODIS Remote Sensing Images to A Comprehensive Estimation of Ecological Impacts of Urban Development

United Nations (2014) predicts that the share of global urban population will increase from 50 % today to approximately 70 % by 2050. Alongside with this rapid urbanization of the human society, it is estimated that, by 2030, cities will physically expand by 1.2 million km2, which is almost same size as the Republic of South Africa (Seto, Güneralp, and Hutyra 2012). While this outstanding growth of cities can contribute to more economic growth as well as mitigation of
global warming by promoting law-carbon, sustainable, and climate-resilient city development (Grimm et al 2008; Rosenzweig et al 2010; Hodson & Marvin 2010; Ho et al 2013), rapid physical expansions of cities at the expense of vegetation will not only decrease CO2 absorption capacity of the planet but also vitiate global ecosystem services (Seto, Güneralp, and Hutyra 2012).

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建筑生命周期评价研究热点探析 (Life-cycle analysis of buildings)

This brief is submitted in the Chinese language. The full brief could be accessed through the below link. Your comments could be in either English or Chinese.

摘 要
应用文献分析,综述了生命周期评价方法在建筑领域的应用。重点评述了建筑生命周期评价的近期研究热点,以期为 研究者选择评价方法和制定研究目标提供方向,推进建筑业可持续发展。研究认为应该结合案例的具体情况研究目的和生 命周期数据获取的难度选择合适的评价方法;建筑生命周期评价的未来应重点关注的领域:1)建筑拆除处理阶段,2)建筑 设计阶段,3)建筑的物化能及材料的循环和替代性,4)建筑的动态性。