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Articles 1 - 20 of 20
Full-Text Articles in Environmental Sciences
Reimagining Sustainable Urban Communities In Hong Kong, Jeroen Van Ameijde, Sifan Cheng, Junwei Li
Reimagining Sustainable Urban Communities In Hong Kong, Jeroen Van Ameijde, Sifan Cheng, Junwei Li
Asian Management Insights
Using environmental and social urban design principles to create future new towns. Hong Kong began building New Towns in the 1970s in response to a post-war period of rapid population growth.
Spatial Data Management For Green Mobility, Christophe Claramunt, Christine Bassem, Demetrios Zeinalipour-Yazti, Baihua Zheng, Goce Trajcevski, Kristian Torp
Spatial Data Management For Green Mobility, Christophe Claramunt, Christine Bassem, Demetrios Zeinalipour-Yazti, Baihua Zheng, Goce Trajcevski, Kristian Torp
Research Collection School Of Computing and Information Systems
While many countries are developing appropriate actions towards a greener future and moving towards adopting sustainable mobility activities, the real-time management and planning of innovative transportation facilities and services in urban environments still require the development of advanced mobile data management infrastructures. Novel green mobility solutions, such as electric, hybrid, solar and hydrogen vehicles, as well as public and gig-based transportation resources are very likely to reduce the carbon footprint. However, their successful implementation still needs efficient spatio-temporal data management resources and applications to provide a clear picture and demonstrate their effectiveness. This paper discusses the major data management challenges, …
Quantifying Stranded Assets Of The Coal-Fired Power In China Under The Paris Agreement Target, Weirong Zhang, Yiou Zhou, Zhen Gong, Junjie Kang, Changhong Zhao, Zhixu Meng, Jian Zhang, Tao Zhang, Jiahai Yuan
Quantifying Stranded Assets Of The Coal-Fired Power In China Under The Paris Agreement Target, Weirong Zhang, Yiou Zhou, Zhen Gong, Junjie Kang, Changhong Zhao, Zhixu Meng, Jian Zhang, Tao Zhang, Jiahai Yuan
Research Collection School Of Computing and Information Systems
Coal-fired power plays a critical role in China's compliance with the Paris Agreement. This research quantifies China's stranded coal assets under different coal capacity expansion scenarios with an integrated approach and high-precision coal-fired power database. From a top-down perspective, firstly, the pathway of China's coal-fired power capacity consistent with the global 2 degrees C scenario is outlined and then those stranded coal-fired power plants are identified with a bottom-up perspective. Stranded value is estimated based upon a cash flow algorithm. Results show that if coal capacity stabilizes during 2020-2030, China will only incur a sizeable yet manageable stranded asset loss …
Forest Structure And Composition Alleviate Human Thermal Stress, Loïc Gillerot, Dries Landuyt, Rachel Oh, Winston T. L. Chow, Et Al
Forest Structure And Composition Alleviate Human Thermal Stress, Loïc Gillerot, Dries Landuyt, Rachel Oh, Winston T. L. Chow, Et Al
Research Collection College of Integrative Studies
Current climate change aggravates human health hazards posed by heat stress. Forests can locally mitigate this by acting as strong thermal buffers, yet potential mediation by forest ecological characteristics remains underexplored. We report over 14 months of hourly microclimate data from 131 forest plots across four European countries and compare these to open-field controls using physiologically equivalent temperature (PET) to reflect human thermal perception. Forests slightly tempered cold extremes, but the strongest buffering occurred under very hot conditions (PET >35°C), where forests reduced strong to extreme heat stress day occurrence by 84.1%. Mature forests cooled the microclimate by 12.1 to …
Harmonized Gap-Filled Datasets From 20 Urban Flux Tower Sites, Matthew Lipson, Sue Grimmond, Martin Best, Winston T. L. Chow
Harmonized Gap-Filled Datasets From 20 Urban Flux Tower Sites, Matthew Lipson, Sue Grimmond, Martin Best, Winston T. L. Chow
Research Collection College of Integrative Studies
A total of 20 urban neighbourhood-scale eddy covariance flux tower datasets are made openly available after being harmonized to create a 50 site–year collection with broad diversity in climate and urban surface characteristics. Variables needed as inputs for land surface models (incoming radiation, temperature, humidity, air pressure, wind and precipitation) are quality controlled, gap-filled and prepended with 10 years of reanalysis-derived local data, enabling an extended spin up to equilibrate models with local climate conditions. For both gap filling and spin up, ERA5 reanalysis meteorological data are bias corrected using tower-based observations, accounting for diurnal, seasonal and local urban effects …
Integrated Assessment Of Urban Overheating Impacts On Human Life, N. Nazarian, E. S. Krayenhoff, B. Bechtel, D. M. Hondula, R. Paolini, J. Vanos, T. Cheung, Winston T. L. Chow, Et Al
Integrated Assessment Of Urban Overheating Impacts On Human Life, N. Nazarian, E. S. Krayenhoff, B. Bechtel, D. M. Hondula, R. Paolini, J. Vanos, T. Cheung, Winston T. L. Chow, Et Al
Research Collection College of Integrative Studies
Urban overheating, driven by global climate change and urban development, is a major contemporary challenge that substantially impacts urban livability and sustainability. Overheating represents a multifaceted threat to the well-being, performance, and health of individuals as well as the energy efficiency and economy of cities, and it is influenced by complex interactions between building, city, and global scale climates. In recent decades, extensive discipline-specific research has characterized urban heat and assessed its implications on human life, including ongoing efforts to bridge neighboring disciplines. The research horizon now encompasses complex problems involving a wide range of disciplines, and therefore comprehensive and …
Transboundary Air Pollution And Cross-Border Cooperation: Insights From Marine Vessel Emissions Regulations In Hong Kong And Shenzhen, Seung Kyum Kim, Terry Van Gevelt, Paul Joosse, Mia M. Bennett
Transboundary Air Pollution And Cross-Border Cooperation: Insights From Marine Vessel Emissions Regulations In Hong Kong And Shenzhen, Seung Kyum Kim, Terry Van Gevelt, Paul Joosse, Mia M. Bennett
Research Collection College of Integrative Studies
Many coastal cities regulate shipping emissions within their jurisdictions. However, the transboundary nature of air pollution makes such efforts largely ineffective unless they are accompanied by reciprocal, legally-binding regulatory agreements with neighbouring cities. Due to various technical, economic, and institutional barriers, it has thus far been difficult to isolate the effects of legally-binding cross-border cooperation on vessel emissions at the city-level. We exploit the unique administrative characteristics of Hong Kong and its relationship with neighbouring cities in China's Pearl River Delta to isolate the effect of legally-binding cross-border cooperation. Using a regression discontinuity design, we find that Hong Kong's unilateral …
Managing The Phaseout Of Coal Power: A Comparison Of Power Decarbonization Pathways In Jilin Province, Weirong Zhang, Zhixu Meng, Jiongjun Yang, Yan Song, Yiou Zhou, Changhong Zhao, Jiahai Yuan
Managing The Phaseout Of Coal Power: A Comparison Of Power Decarbonization Pathways In Jilin Province, Weirong Zhang, Zhixu Meng, Jiongjun Yang, Yan Song, Yiou Zhou, Changhong Zhao, Jiahai Yuan
Research Collection School Of Computing and Information Systems
With the periodic goals of reaching carbon emission peak before 2030 and achieving carbon neutrality before 2060 (“dual carbon” goals), China shows its unprecedented determination to coal power phaseout. This research takes Jilin Province to showcase possible pathways of coal power units’ phaseout on provincial level. We set up four different coal power phaseout scenarios, under which their transition cost and effectiveness would be calculated, respectively. In terms of natural resource endowment and electricity demand, Jilin Province would achieve a complete coal power phaseout by 2045 or even by 2040. However, after assessing the effectiveness of power transition under the …
Ecosystem Duties, Green Infrastructure, And Environmental Injustice In Los Angeles, Sayd Randle
Ecosystem Duties, Green Infrastructure, And Environmental Injustice In Los Angeles, Sayd Randle
Research Collection College of Integrative Studies
In Los Angeles, water managers and environmentalist NGOs champion green infrastructure retrofits, installations intended to maximize the water-absorbing capacity of the urban landscape. In such arrangements, the work of water management is necessarily spread among a more-than-human community, including (but certainly not limited to) humans, plants, soils, and gravels. This article analyzes the human labor within these collaborations, tracking when and how this work gets enrolled in networks of water management and circuits of value. I develop the term ecosystem duties to characterize these exertions and as a useful analytic for assessing emergent dynamics of environmental justice.
Battling Over Bathwater: Greywater Technopolitics In Los Angeles, Sayd Randle
Battling Over Bathwater: Greywater Technopolitics In Los Angeles, Sayd Randle
Research Collection College of Integrative Studies
In Los Angeles, domestic wastewater recycling ("greywater") systems are controversial, loved by local environmentalists and disdained by the city's water agencies. Drawing on fieldwork among greywater advocates and public water agency workers, this article examines how greywater systems function as nodes that unsettle relations between residents and the public agencies that manage the city's water grid. Elaborating the longstanding frictions over greywater reuse in LA reveals how these fixtures are mobilized by advocates to rescript the roles of both individuals and the state within the urban waterscape. Detailing public agency workers' resistance to this form of selective disconnection from the …
Public Transit Infrastructure And Heat Perceptions In Hot And Dry Climates, Yuliya Dzyuban, David M. Hondula, Paul J. Coseo, Charles L. Redman
Public Transit Infrastructure And Heat Perceptions In Hot And Dry Climates, Yuliya Dzyuban, David M. Hondula, Paul J. Coseo, Charles L. Redman
Research Collection College of Integrative Studies
Many cities aim to progress toward their sustainability and public health goals by increasing use of their public transit systems. However, without adequate protective infrastructure that provides thermally comfortable conditions for public transit riders, it can be challenging to reach these goals in hot climates. We took micrometeorological measurements and surveyed riders about their perceptions of heat and heat-coping behaviors at bus stops with a variety of design attributes in Phoenix, AZ, USA, during the summer of 2018. We identified the design attributes and coping behaviors that made riders feel cooler. We observed that current infrastructure standards and material choices …
Peer-To-Peer Trade And The Economy Of Distributed Pv In China, Peiyun Song, Yiou Zhou, Jiahai Yuan
Peer-To-Peer Trade And The Economy Of Distributed Pv In China, Peiyun Song, Yiou Zhou, Jiahai Yuan
Research Collection School Of Computing and Information Systems
With the deepening of power market reform, distributed power generation is gaining momentum. This paper tests the distributed photovoltaic (DPV) economy under different business models by taking three provinces to stand for typical resource zones. The Internal return rate (IRR) is used to measure the economy, while the improved levelized cost of electricity (LCOE) is used to model the generation cost. Three business modes, namely pure producer (all generation sold to the grid), prosumer (self-use and the rest sold to the grid), and peer-to-peer trade (P2P, all generation traded via the grid) are studied. Results show that peer-to-peer trade is …
Public Transit Infrastructure And Heat Perceptions In Hot And Dry Climates, Yuliya Dzyuban, David M. Hondula, Paul J. Coseo, Charles L. Redman
Public Transit Infrastructure And Heat Perceptions In Hot And Dry Climates, Yuliya Dzyuban, David M. Hondula, Paul J. Coseo, Charles L. Redman
Research Collection College of Integrative Studies
Many cities aim to progress toward their sustainability and public health goals by increasing use of their public transit systems. However, without adequate protective infrastructure that provides thermally comfortable conditions for public transit riders, it can be challenging to reach these goals in hot climates. We took micrometeorological measurements and surveyed riders about their perceptions of heat and heat-coping behaviors at bus stops with a variety of design attributes in Phoenix, AZ, USA, during the summer of 2018. We identified the design attributes and coping behaviors that made riders feel cooler. We observed that current infrastructure standards and material choices …
Singapore's Climate Action: It Is Time To Be More Ambitious, Winston T. L. Chow
Singapore's Climate Action: It Is Time To Be More Ambitious, Winston T. L. Chow
Research Collection School of Social Sciences
Some nations have declared net-zero carbon emission targets by 2050. Businesses and the people here know Singapore can punch above its weight. The government should lend its support.
The Uk Summer Heatwave Of 2018 And Public Concern Over Energy Security, Shaun Larcom, Po-Wen She, Terry Van Gevelt
The Uk Summer Heatwave Of 2018 And Public Concern Over Energy Security, Shaun Larcom, Po-Wen She, Terry Van Gevelt
Research Collection College of Integrative Studies
The UK summer heatwave of 2018 led to changes in consumer behaviour, including large increases in electricity demand due to increased use and intensity of refrigeration and air-conditioning devices1,2. Although the United Kingdom experienced its equal hottest summer on record, the extreme temperatures were concentrated in the south and east of England3. Here we exploit the regional variation to test for the effect of experiencing extreme temperatures on perceptions of resource security and on related pro-environmental behaviour. We analyse data from 2,189 individuals across the UK over a 7 day period and use a difference-in-differences estimation to compare responses of …
Implementation Of A Multi-Agent Environmental Regulation Strategy Under Chinese Fiscal Decentralization: An Evolutionary Game Theoretical Approach, Ke Jiang, Daming You, Ryan Knowles Merrill, Zhendong Li
Implementation Of A Multi-Agent Environmental Regulation Strategy Under Chinese Fiscal Decentralization: An Evolutionary Game Theoretical Approach, Ke Jiang, Daming You, Ryan Knowles Merrill, Zhendong Li
Research Collection Lee Kong Chian School Of Business
Evolutionary game theory (EGT) provides a powerful tool with which to unpack the interactive strategies of polluting enterprises (PEs), local government regulators (LG), and central government planners (CG) in China. Here, the prevailing institutional system of fiscal decentralization sees regulatory mandates set by the CG and enforced at the LG level. This delegation shapes managers' incentives when deciding the degree to which firms will incur costs to reduce pollution and comply with state directives. Manager's choice sets draw shape from decisions at the LG level, where regulators balance the pursuit of environmental quality with the economic payoffs of tacit collusion …
How Sending E-Mails Compares With Carbon Emission Of Car Use, Thomas Menkhoff
How Sending E-Mails Compares With Carbon Emission Of Car Use, Thomas Menkhoff
Research Collection Lee Kong Chian School Of Business
Digitalnatives can reduce their carbon footprint by being conscious about Internetusage. Everwondered how your e-mails may contribute to your personal carbon footprint? Accordingto estimates published in Phys.org, sending a short e-mail adds about 4g of CO2equivalent (gCO2e) to the atmosphere (an e-mail with a long attachment has atenfold carbon footprint, that is 50 gCO2e.
Social Tipping Points And Earth Systems Dynamics, R.A. Bentley, E. Maddison, P. Ranner, J. Bissell, C. Caiado, P. Bhatanacharoen, Timothy Adrian Robert Clark, Botha M., Akinbami F., Hollow M., Michie R., Huntley B., Curtis S., Garnett P.
Social Tipping Points And Earth Systems Dynamics, R.A. Bentley, E. Maddison, P. Ranner, J. Bissell, C. Caiado, P. Bhatanacharoen, Timothy Adrian Robert Clark, Botha M., Akinbami F., Hollow M., Michie R., Huntley B., Curtis S., Garnett P.
Research Collection Lee Kong Chian School Of Business
Recently, Early Warning Signals (EWS) have been developed to predict tipping points in Earth Systems. This discussion highlights the potential to apply EWS to human social and economic systems, which may also undergo similar critical transitions. Social tipping points are particularly difficult to predict, however, and the current formulation of EWS, based on a physical system analogy, may be insufficient. As an alternative set of EWS for social systems, we join with other authors encouraging a focus on heterogeneity, connectivity through social networks and individual thresholds to change.
Local Successes In Encouraging Participatory Irrigation Management: Policy Lessons From Indonesia, Jacob I. Ricks, Sigit Supadmo Arif
Local Successes In Encouraging Participatory Irrigation Management: Policy Lessons From Indonesia, Jacob I. Ricks, Sigit Supadmo Arif
Research Collection School of Social Sciences
Despite decades of promotion, efforts to encourage participatory irrigation management often falter. Nowhere is this more true that on the island of Java, Indonesia where multiple programmes and millions of dollars have resulted in few effective water user associations. Even so, pockets of participatory success exist. We present findings from one locally developed water user association training programme found in Yogyakarta, Indonesia that has experienced relative success in encouraging farmer participation. We then derive policy lessons from this case.
The New Way Of The Future: Small, Local, Open And Connected, Ezio Manzini
The New Way Of The Future: Small, Local, Open And Connected, Ezio Manzini
Social Space
Beset with a global financial crisis and deepening ecological woes, it’s clear that we need alternative models of development. But as Ezio Manzinipoints out, these models are already with us.