The Circular Economy And Energy Efficiency: Las Vegas’s Role – How do temperature variations and constant thermal conditions affect heat flux meter (HFM) measurements of walls? Laboratory Experimental Analysis
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- 1 The Circular Economy And Energy Efficiency: Las Vegas’s Role
- 2 Water And Energy Efficient Appliances For Circular Water Economy: Conceptual Framework Development And Analysis Of Greenhouse Gas Emissions And Water Consumption
The Circular Economy And Energy Efficiency: Las Vegas’s Role
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Circular Design Coming Of Age. A Journey Towards Common Good… One Loop…
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By Aitana Sáez-de-Guinoa Scilit Preprints.org Google Scholar 1 , David Zambrana-Vasquez David Zambrana-Vasquez Scilit Preprints.org Google Scholar 2, * , Victor Fernandez Vindictor Scilitserg Furnessictorg. and Carmen Bartolome Carmen Bartolome Silit Preprints.org Google Scholar 2, *
The Shift To A Circular Economy: How Tech Is Shaping The Future Of Sustainable Retail
Received: 17 March 2022 / Revised: 15 June 2022 / Accepted: 17 June 2022 / Published: 28 June 2022
Building renovation has been declared an important factor for sustainable development, however, the renovation rate of residential buildings in the European Union is insufficient to meet climate and energy targets. To set a framework for circular economic models in building renovation this paper analyzes the main circular economic models used in the construction sector and the building renovation market situation. Of all the techniques that exist in this sector, design, material recovery, building renovation and end-of-life actions are respectively the best. It also includes market analysis that includes PEST perspectives (political, economic, social, and technological) and literature review that includes SWOT analysis (Strengths, Weaknesses, Opportunities, and Threats), concluding with a market gap analysis. The results of these analyzes allow the development of a series of suggestions and strategies to address the main obstacles hindering the implementation of the circular economy in the building renovation sector.
The growing demand for sustainable solutions to today’s problems, along with goals to be met in the future, requires action in multiple sectors. Of all the sectors, the most interesting to address this situation is the construction sector, particularly building construction and renovation. Because it is one of the most resource and waste-intensive economic activities . In the European Union, cement, iron and steel production, important industrial processes for the construction industry, are some of the most important emitters of greenhouse gases (GHG), accounting for 40% of emissions . Construction and demolition waste (CDW) generation is a major challenge for the construction industry, due to the volume of waste generated and its associated environmental impacts. CDW is the largest waste stream in Europe accounting for 35.9% of waste generated in 2018 .
The construction sector is considered a key sector for meeting the United Nations Sustainable Development Goals (SDGs) on sustainable production and consumption (Goal 12), improving the efficient use of natural resources (Goal 12.2) and reducing waste generation (Goal 12.5). . Combined environmental impacts include land degradation, landfill depletion, carbon and greenhouse gas emissions, water pollution, high energy consumption, and resource depletion .
Water And Energy Efficient Appliances For Circular Water Economy: Conceptual Framework Development And Analysis Of Greenhouse Gas Emissions And Water Consumption
Europe’s housing stock is as unique and diverse as it is old. This aging has been addressed through an update, but the speed at which it is happening is very slow. Currently, 8-5% of the EU’s building stock, i.e., more than 220 million buildings, are older than 21 years, of which up to 95% will still be standing in 2050 , and virtually none of them are energy efficient. . This is due, among other reasons, to the fact that it is dependent on fossil fuels for heat and cooling, meaning that there is considerable potential for energy savings.
Overall, buildings account for 40% of the EU’s total energy consumption and 36% of its greenhouse gas emissions . Therefore, and taking into account the effects of the “Clean Energy for All Europeans” package, a 40% reduction in greenhouse gas (GHG) emissions compared to 1990 levels, a 32% share in renewable energy consumption and 32.5% energy savings compared to 2005 levels , the building construction sector has set targets It is clear that the key to achieve and the best way to achieve this is through renovation of the building.
Currently, the energy renovation rate of buildings is 1%, while the European Commission (EC) estimates that it should be 3% to reach the EU’s energy efficiency and climate goals. As a result, more effort is needed from European countries, which is reflected in the renewal strategies updated in 2020 .
In addition to the great impact of the sector in environmental areas, it is characterized by its relevance in social and economic aspects, it creates a large number of jobs and contributes significantly to the Gross Domestic Product (GDP). However, this sector also presents some obstacles that hinder its development, as well as causing some environmental problems throughout the life cycles of a building project, especially in the operational and end-of-life phases .
Sustainable Design Of Structural And Functional Polymers For A Circular Economy
Despite the increasing interest in applying recovery practices such as reuse and recycling, one of the major problems in this sector is that a large amount of waste is deposited in landfills or dumped illegally .
Circular Economy (CE) is an established concept with many perspectives depending on the targeted sector. It is considered by academics, practitioners and society as an alternative to allow companies to operate sustainably under the concept of sustainable development. That is why CE’s main objective is to promote economic growth that minimizes impacts on the environment through new production practices and technological developments that meet consumer needs within sustainability.
At the building level, different measures are being taken to move towards production and consumption patterns that minimize waste as much as possible. The main circular techniques applied to the general framework of the building are depicted in Figure 1.
In this context, the transition to CE reduces environmental impacts while contributing to economic growth. In this way, CE becomes an innovative regenerative system that makes the use of materials more efficient and optimizes their value during their life cycle stages while reducing waste . Due to the problems generated by such waste and the environmental impacts of the overall sector, interest in CE as a source of strategies and solutions has increased in recent years . The CE concept has gained academic, government and institutional recognition in recent years. The importance of this concept is that the European Union has made it one of its central points in the development of policies and strategies, an example of which is the Circular Economy Action Plan .
The Role Of Battery Recycling In The Circular Economy: Part 1
The project is one of the main building blocks of the European Green Deal, Europe’s new agenda for sustainable growth. This transition to a circular economy will reduce pressure on natural resources and create sustainable growth and jobs, acting as a prerequisite for achieving climate neutrality goals, i.e., reducing greenhouse gases by 55% compared to 1990 levels and achieving net zero greenhouse gas emissions in the EU by 2050 by 2030. gas (GHG) emissions .
However, for the building industry, the transition towards a circular economy requires systemic innovation across the value chain, as well as better management practices for CDW and a more widespread implementation of the CE model in the sector.
In view of the extensive literature in the field of circular economy strategies in the construction sector, apart from building renovation, this paper proposes a comprehensive approach to identify various barriers to the sustainable development of the sector based on a literature review. Building renovation market. In addition, the study presents the following objectives:
This review paper is divided into two main parts. The first part describes the methodology followed to conduct the literature review. The second part presents a comprehensive summary of what has been undertaken and discovered about circular economy techniques in building construction and the current state of the art for building renovation market analysis and its circular analysis. Additionally, a discussion section is provided with an aim to critique,
What Is A Circular Economy?
Renewable energy and the economy, circular economy energy, energy efficiency and sustainability, heating and cooling energy efficiency, circular economy renewable energy, energy efficiency and conservation, the circular economy, energy efficiency and renewable energy, energy and efficiency, windows and energy efficiency, circular economy and sustainability, energy efficiency and management