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  1. Article ; Online: Application of circular economy framework for reducing the impacts of climate change

    Hemant Bherwani / Moorthy Nair / Amol Niwalkar / Dhanya Balachandran / Rakesh Kumar

    Energy Nexus, Vol 5, Iss , Pp 100047- (2022)

    A case study from India on the evaluation of carbon and materials footprint nexus

    2022  

    Abstract: In light of the Paris Agreement 2015 and the emerging government-wide policies towards instigating a transition from linear to Circular Economy (CE), it has become critical to investigate the potential impact of CE strategies on climate change. The ... ...

    Abstract In light of the Paris Agreement 2015 and the emerging government-wide policies towards instigating a transition from linear to Circular Economy (CE), it has become critical to investigate the potential impact of CE strategies on climate change. The recent upsurge in economic activities and growing consumerism has driven the demand for raw materials contributing to a considerable level of Greenhouse Gases (GHGs) emissions in the atmosphere, conducive to severe climate breakdowns, jeopardizing the environment and biodiversity. The current study aims at establishing a detailed understanding on CE strategies vis-à-vis Sustainable Development Goals (SDG) and resource-energy conflict impacting climate change to underpin the priority sectors such as agriculture and allied activities, industry, construction, electricity, and transportation; exercising the CE Regenerate Share Optimize Loop Virtualize Exchange (ReSOLVE) framework for the National Capital Region (NCR) of India. The CE strategies quantified through input-output analysis and Leontief inverse matrix, identify the construction and transportation sector as the highest contributor towards Carbon Footprint (CF) and Material Footprint (MF) ranging from 4.0–8.8 t/capita and 5.6–7.3 t/capita respectively. Integrating the ReSOLVE strategies of CE and the priority sectors linked to the nation's economy through stratified components of design, consumption and recycling can reduce CF and MF by 0.18–15.7% and 5.3–25% respectively. In low and middle-income countries, the study is envisaged to leverage decision-makers in adopting sustainable management practices as an integral part of policy interventions, facilitating solutions to both natural capital depletion and environmental degradation challenges to produce better Gross Domestic Product (GDP) outcomes.
    Keywords Circular economy ; Climate change ; Carbon footprint ; Material footprint ; ReSOLVE ; Renewable energy sources ; TJ807-830 ; Agriculture (General) ; S1-972
    Subject code 690
    Language English
    Publishing date 2022-03-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Studying impact of infrastructure development on urban microclimate

    Shahid Mirza / Amol Niwalkar / Saima Anjum / Hemant Bherwani / Anju Singh / Rakesh Kumar

    Energy Nexus, Vol 6, Iss , Pp 100060- (2022)

    Integrated multiparameter analysis using OpenFOAM

    2022  

    Abstract: In the need of more facilities and comfort, people are compelled to migrate from rural areas to developed cities. The growing population in urban areas, demand dense and facilitated building structure along with peripheral infrastructure. The current ... ...

    Abstract In the need of more facilities and comfort, people are compelled to migrate from rural areas to developed cities. The growing population in urban areas, demand dense and facilitated building structure along with peripheral infrastructure. The current study uses OpenFOAM to analyse the impact of infrastructure development on wind profile and temperature of the surrounding area along with the cooling effect of vegetation cover. Air temperature and wind velocity are calculated at different points in the study region and are compared for various scenarios. The maximum change in the air temperature and wind velocity is found as 0.7 K and 0.4 m/s respectively due to an increase in building temperature during the day, while the minimum change is about 0.05 K and 0.1 m/s in densely vegetated areas. An assumption also has been taken to predict the vegetation cooling effects in surrounding buildings and is analysed with the temperature difference of 0.1 K to 0.5 K. The integrated analysis of wind and temperature around the infrastructure shows the magnitude of the impact constructed sites generates on urban microclimate and the results can be used for designing of a regulated area in terms of microclimate.
    Keywords Urbanization ; Microclimate ; CFD ; OpenFOAM ; Wind flow ; Heat transfer ; Renewable energy sources ; TJ807-830 ; Agriculture (General) ; S1-972
    Subject code 690 ; 910
    Language English
    Publishing date 2022-06-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

    More links

    Kategorien

    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

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