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The circular economy, as a new business model that is different from the economy, can achieve the reuse and recycling of waste for waste minimization, improve the efficiency of resource utilization, and mitigate carbon emissions. It is no doubt that promoting the development of the circular economy can facilitate the transition to low-carbon processes and carbon-neutral development. However, there are still several questions that need to be answered: (1) How can the circular economy contribute to a low-carbon transition? (2) How do we address the fact that the circular economy model may also cause some new environmental problems, and how should we identify what the most environmentally friendly solution is among multiple alternatives for the circular economy? (3) Governmental regulation, policies and incentives play a significant role in promoting the development of the circular economy, so what are the policy instruments that can contribute to its development? (4) How can technological progress and solutions contribute to the circular economy? (5) How can environmental impact assessments contribute to the circular economy? (6) How can we achieve a circular economy or low-carbon transition through changes in consumption behaviors? In order to answer the above-mentioned questions, we launched a Special Issue in Energies. There are a total of six papers published in this Special Issue. This e-book collects these papers to build a platform for sharing advanced concepts, tools and methods for the users to take actions to achieve a circular economy.

Technology: general issues --- History of engineering & technology --- Industry & industrial studies --- carbon label --- bibliometric analysis --- CiteSpace --- carbon labeling scheme --- purchase intention --- willingness to pay --- eco-efficiency --- environmental impact --- GHG emissions --- energy consumption --- food chain --- short food supply chains (SFSCs) --- Life Cycle Assessment (LCA) --- rice husk --- gasification --- CHP --- Aspen Plus --- simulation --- economic assessment --- circular economy --- low-carbon energy --- waste-based bioenergy --- resource efficiency --- product policy --- energy efficiency --- digitalization --- life cycle assessment --- easy-to-repair design --- built environment --- gas boilers --- heat pumps --- n/a

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The circular economy, as a new business model that is different from the economy, can achieve the reuse and recycling of waste for waste minimization, improve the efficiency of resource utilization, and mitigate carbon emissions. It is no doubt that promoting the development of the circular economy can facilitate the transition to low-carbon processes and carbon-neutral development. However, there are still several questions that need to be answered: (1) How can the circular economy contribute to a low-carbon transition? (2) How do we address the fact that the circular economy model may also cause some new environmental problems, and how should we identify what the most environmentally friendly solution is among multiple alternatives for the circular economy? (3) Governmental regulation, policies and incentives play a significant role in promoting the development of the circular economy, so what are the policy instruments that can contribute to its development? (4) How can technological progress and solutions contribute to the circular economy? (5) How can environmental impact assessments contribute to the circular economy? (6) How can we achieve a circular economy or low-carbon transition through changes in consumption behaviors? In order to answer the above-mentioned questions, we launched a Special Issue in Energies. There are a total of six papers published in this Special Issue. This e-book collects these papers to build a platform for sharing advanced concepts, tools and methods for the users to take actions to achieve a circular economy.

Technology: general issues --- History of engineering & technology --- Industry & industrial studies --- carbon label --- bibliometric analysis --- CiteSpace --- carbon labeling scheme --- purchase intention --- willingness to pay --- eco-efficiency --- environmental impact --- GHG emissions --- energy consumption --- food chain --- short food supply chains (SFSCs) --- Life Cycle Assessment (LCA) --- rice husk --- gasification --- CHP --- Aspen Plus --- simulation --- economic assessment --- circular economy --- low-carbon energy --- waste-based bioenergy --- resource efficiency --- product policy --- energy efficiency --- digitalization --- life cycle assessment --- easy-to-repair design --- built environment --- gas boilers --- heat pumps

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Dear Colleagues,All types of biomass, and their waste, comprised one the pillars of the preindustrial,pre-fossil fuel, agriculture-based economies of the past. Traditionalpractices of biomass waste management were applied, but not necessarily in asophisticated and efficient way, and included everything from agricultural activitiesto food production, animal feed, natural fiber separation, and processingof forest wood. The modern bioeconomy sector, however, includes new circulareconomy energy and materials streams of added-value products, such asgaseous, liquid and solid biofuels and bioenergy generation routes, and biocharproduction, along with all the previously mentioned traditional products emergingfrom the bioeconomy.This Special Issue includes some of the latest bioenergy and biochar advancementsand their incorporation into a bioeconomy in transition. It focuses onnature, properties, upgrading, and bioenergy generation processes from all typesof biomass waste and biochars originating from biomass waste. The multidisciplinarityof bioenergy and biochar research is evident throughout the SpecialIssue, highlighting the highly variable and tunable processes involved inbiomass handling, pre-processing, converting to biochar, and recovering energy.Dr. Dimitrios KalderisGuest EditorDr. Vasiliki Skoulouco-Guest Editor

ethanol --- lignocellulosic biomass --- life cycle assessment --- GHG emissions --- political incentives --- economic performance --- amino acid wastes --- biofuels --- microbial lipids --- Rhodosporidium toruloides --- two-stage culture --- fixed bed --- pyrolysis yield --- temperature --- coconut shell --- characterization --- SEM --- Mitigation of CO2-equiv. --- nutrient release --- rice paddy water and soil system --- slow-release fertilizer --- coconut wastes --- bioenergy resource --- pollutant emissions --- calorific value --- biocharing --- microalgae --- anaerobic digestion --- biogas --- respirometric reactors --- APSIM sugarcane model --- energy potential --- marginal land --- sensitivity analysis --- hydrochar --- hydrothermal carbonization --- CiteSpace --- scientometric analysis --- artificial neural network --- fly ash --- biomass combustion --- fluidized bed boilers --- acute phytotoxicity test --- mineral fertilizer --- BCR sequential extraction --- metal speciation --- starch --- biochar --- coffee waste --- polycaprolactone --- bioplastics --- biodegradation --- fermentable sugar --- enzymatic hydrolysis

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Dear Colleagues,All types of biomass, and their waste, comprised one the pillars of the preindustrial,pre-fossil fuel, agriculture-based economies of the past. Traditionalpractices of biomass waste management were applied, but not necessarily in asophisticated and efficient way, and included everything from agricultural activitiesto food production, animal feed, natural fiber separation, and processingof forest wood. The modern bioeconomy sector, however, includes new circulareconomy energy and materials streams of added-value products, such asgaseous, liquid and solid biofuels and bioenergy generation routes, and biocharproduction, along with all the previously mentioned traditional products emergingfrom the bioeconomy.This Special Issue includes some of the latest bioenergy and biochar advancementsand their incorporation into a bioeconomy in transition. It focuses onnature, properties, upgrading, and bioenergy generation processes from all typesof biomass waste and biochars originating from biomass waste. The multidisciplinarityof bioenergy and biochar research is evident throughout the SpecialIssue, highlighting the highly variable and tunable processes involved inbiomass handling, pre-processing, converting to biochar, and recovering energy.Dr. Dimitrios KalderisGuest EditorDr. Vasiliki Skoulouco-Guest Editor

Research & information: general --- Technology: general issues --- ethanol --- lignocellulosic biomass --- life cycle assessment --- GHG emissions --- political incentives --- economic performance --- amino acid wastes --- biofuels --- microbial lipids --- Rhodosporidium toruloides --- two-stage culture --- fixed bed --- pyrolysis yield --- temperature --- coconut shell --- characterization --- SEM --- Mitigation of CO2-equiv. --- nutrient release --- rice paddy water and soil system --- slow-release fertilizer --- coconut wastes --- bioenergy resource --- pollutant emissions --- calorific value --- biocharing --- microalgae --- anaerobic digestion --- biogas --- respirometric reactors --- APSIM sugarcane model --- energy potential --- marginal land --- sensitivity analysis --- hydrochar --- hydrothermal carbonization --- CiteSpace --- scientometric analysis --- artificial neural network --- fly ash --- biomass combustion --- fluidized bed boilers --- acute phytotoxicity test --- mineral fertilizer --- BCR sequential extraction --- metal speciation --- starch --- biochar --- coffee waste --- polycaprolactone --- bioplastics --- biodegradation --- fermentable sugar --- enzymatic hydrolysis

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Global health, conceived as a discipline, aims to train, research and respond to problems of a transboundary nature, in order to improve health and health equity at the global level. The current worldwide situation is ruled by globalization, and therefore the concept of global health involves not only health-related issues, but also those related to the environment and climate change. Therefore, in this Special Issue, the problems related to global health have been addressed from a bibliometric approach in four main areas: environmental issues, diseases, health, education and society.

Research & information: general --- social networks --- health --- young people --- bibliometric study --- scientometrics --- obesity --- interventions --- children --- youths --- pediatrics --- reclaimed water --- advanced oxidation process --- microorganisms --- concern emergent contaminant --- worldwide --- content analysis --- text mining --- diabetes --- QOL --- artificial intelligence --- machine learning --- bibliometric --- LDA --- HIV/AIDS --- quality of life --- global health --- public health --- scientometric study --- knowledge map --- visualization analysis --- CiteSpace --- COPD --- QoL --- medicinal plants --- drugs --- worldwide research --- bibliometrics --- traditional medicine --- asthma --- HRQoL --- Scival --- patents --- Spain --- Research and Development (R&amp --- D) --- social returns --- COVID-19 --- biomechanics --- musculoskeletal disorders --- RULA --- ergonomics --- applications --- climate change --- infectious diseases --- bibliometric analysis --- co-word analysis --- biclustering --- strategic diagram --- academic performance --- citation network --- motivation --- microplastics --- network analysis --- VOSviewer software --- research hotspots --- pulmonary disease --- musculoskeletal risks --- wastewater treatment