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With the rapid development of China’s urbanisation and market economy, municipal solid waste (MSW) generation is increasing dramatically. In response to the threat of environmental pollution and the potential value of converting waste into energy, both the government and the public are now paying more attention to MSW treatment and disposal methods. In 2014, 178.6 million tonnes of MSW was collected at a safe treatment rate of 84.8%. However, the treatment methods and the composition of MSW are influenced by the collection area, its gross domestic product, population, rainfall and living conditions. This chapter analysed the MSW composition properties of Lhasa, Tibet, compared with other cities, such as Beijing, Guangzhou and so forth. The research showed that the moisture content of MSW in Lhasa approaches 31%, which is much lower than the other cities mentioned previously. The proportion of paper and plastics (rubbers) collected was 25.67% and 19.1%, respectively. This was 1.00–3.17 times and 0.75–2.44 times more than those found in Beijing and Guangzhou, respectively. Non-combustibles can reach up to 22.5%, which was 4.03–9.11 times that of Beijing and Guangzhou, respectively. The net heating values could reach up to 6,616 kilojoule/kilogram. The food residue was only half the proportion found in other cities. Moreover, the disposal method applied in each city has also been studied and compared.

The new campus of Tianjin University was designed, built and now operates following a green and sustainable concept. The campus’ eco-friendly water environment was formed by establishing a water recycling system. The campus is divided into three drainage sections based on the masterplan. Each drainage section adopts different methods of collecting, utilizing and discharging water according to specific conditions, aimed at achieving both high drainage capability and the efficient utilisation of rainwater. The campus was designed so runoff pollution is reduced through the utilisation of low-impact development methods, ensuring the quality of the recharge water. Through studying the fundamentals of treatment measures and models for simulating water quality, water circulation, constructed wetlands and pollution control of rain runoff, parameters for efficient water recycling could be mathematically forecast, ensuring that stakeholders can be continuously engaged in improving and preserving the water quality of landscaped water on campus. The overall system integrates a variety of measures being implemented into one cohesive entity, which contributes to establishing the sustainable and healthy water cycling system of the green campus.

Biosolids, the residual solids from wastewater treatment operations and once considered a waste product by the industry, are now becoming increasingly recognised as a multifunctional resource with growing opportunities for marketable use. This shift in attitude towards biosolids management is spurred on by increasing volatility in energy, fertilizer and commodity markets as well as moves by the global community towards mitigating global warming and the effects of climate change. This chapter will provide an overview of current global biosolids practices (paired with a number of Australian examples) as well as discuss potential future uses of biosolids. Additionally, present and future risks and opportunities of biosolids use are highlighted, including potential policy implications.

The production of waste creates both direct and indirect environmental impacts. A range of strategies are available to reduce the generation of waste by industry and households, and to select waste treatment approaches that minimise environmental harm. However, evaluating these strategies requires reliable and detailed data on waste production and treatment. Unfortunately, published Australian waste data are typically highly aggregated, published by a variety of entities in different formats and do not form a complete time-series. We demonstrate a technique for constructing a multi-regional waste supply-use (MRWSU) framework for Australia using information from numerous waste data sources. This is the first subnational waste input–output framework to be constructed for Australia. We construct the framework using the Industrial Ecology Virtual Laboratory (IELab), a cloud-hosted computational platform for building Australian multiregional input–output tables. The structure of the framework complies with the System of Environmental-Economic Accounting (SEEA). We demonstrate the use of the MRWSU framework by calculating waste ‘footprints’ that enumerate the full domestic supply chain waste production for Australian consumers.

This chapter focusses on the links between economic ideas, sustainability and the circular economy. Economics begins with the view that all resources are scarce and careful and informed choices must be made to ensure resources are used efficiently and not wasted. Given the fundamental importance of markets to human resource allocation decisions, unless economic concepts, especially markets and prices, are used to help transition towards the circular economy, a sustainable economic growth process is unlikely to be achieved. Economists have long grappled with the problems of resource depletion, unsustainable growth and intergenerational equity. Their ideas and views about the interconnection between markets, the environment and resource use have been in existence for several centuries. While frequently overlooked, some of these ideas have important insights for sustainable development and the implementation of a circular economy. The chapter will consider how economic concepts could be used to help society transition to a circular economy. It will also argue that difficulties with the implementation of a circular economy lie less with the application of economic instruments, and more with the political and institutional constraints that reduce our ability to think creatively and innovatively about ‘cradle-to-cradle’ processes.

The circular economy (CE) proposes that all materials flow in a close-looped system. Waste generated by one production stage may be useful in another. Thus, the idea of a CE is linked to the goal of zero waste (ZW) and promotes a range of sustainable economic, social and environmental benefits in each sector. When we apply this to construction waste management, waste can be managed through reducing, recycling, upcycling and reusing. However, there is an inevitable cost implication associated with this process due to the additional requirement of inventory and waste processing, and this becomes a disincentive to implementing the CE. Formal institutions, referring here to legal rules and regulations, play a critical role in motivating firms and individuals towards a CE. As different countries have different government rules and regulations, and there is limited research on their differences, we review Asia’s and Europe’s legal rules and regulations relevant to the goal of ZW and CE in the construction sector.

In the face of increasing resource insecurity, environmental degradation and climate change, more governments and businesses are now embracing the concept of the circular economy. This chapter presents some historical background to the concept, with particular attention paid to its assumed opposite, the ‘linear’ or growth economy. While the origins of the circular economy concept are to be found in 1960s environmentalism, the chapter draws attention to the influence of the then ‘new’ sciences of ecology and ‘cybernetics’ in shaping the public environmental discourse of the period. It also draws attention to the background of the present linear economy in postwar policies that encouraged reconstruction and a social and economic democratisation across the West, including an expansion of mass-consumption. It emphasises the role of the 1960s counterculture in generating a popular reaction against this expansionary growth-based agenda, and its influence in shaping subsequent environmentalism, including the ‘metabolic’ and ecological economic understanding of the environmental crisis that informs the concept of the circular economy. Reflecting upon this historical preamble, the chapter concludes that more attention should be paid to the economic, cultural and social contexts of consumption, now more clearly the main driver of our global environmental crisis. Without now engaging more directly with the ‘consumption problem’, the chapter argues, it seems unlikely that the goals of the circular economy can be met.