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Sökning: hsv:(TEKNIK OCH TEKNOLOGIER) hsv:(Naturresursteknik) > Åhman Max

  • Resultat 1-10 av 57
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1.
  • Rootzén, Johan, et al. (författare)
  • Turning the tanker? Exploring the preconditions for change in the global petrochemical industry
  • 2023
  • Ingår i: Energy Research & Social Science. - 2214-6326 .- 2214-6296. ; 104:103256
  • Tidskriftsartikel (refereegranskat)abstract
    • Meeting the goals set out in the Paris Agreement will require rapid and deep reductions of greenhouse gas emissions (GHG) across all sectors of the global economy. Like all major societal transformations, this climate transition will impact both social and technical aspects of society and, depending on how it evolves, will reallocate social and economic benefits and costs differently. Recognising the importance of decarbonising key industry sectors with large GHG emissions and an significant impact on society, this study explores the opportunities and tensions involved in a transition of the petrochemical industry. We do so by analysing how access to natural resources, the petrochemical industry's role in the economy and the socio-political landscape in key petrochemical producing countries impacts prerequisites for change. The assessment shows that devising adequate policy responses, building legitimacy for change and potentially building bottom-up pressure for a timely climate transition are likely to look very different in the 10 countries with the greatest active petrochemical capacity in the world: China, the United States, India, South Korea, Saudi Arabia, Japan, Russia, Iran, Germany and Taiwan. The indicators used to explore the prerequisites for change all point to areas where actions and policies must advance for a transition to be realised. This includes efforts to cap fossil feedstock supply and production capacity, efforts to limit and ultimately reduce demand for plastics and fertilisers, and measures to formulate transition strategies and policies that capture and provide agency for communities and groups that are currently on the receiving end of negative health and environmental impacts from the petrochemical industry and that will also, in many cases, be most closely affected by a transition.
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  • Andersson, Fredrik N G, et al. (författare)
  • Allt stål måste vara fossilfritt
  • 2021
  • Ingår i: Dagens Industri. - 0346-640X.
  • Tidskriftsartikel (populärvet., debatt m.m.)abstract
    • DEBATT. Frågan om det finns en betalningsvilja för fossilfritt stål är vilseledande. I en ekonomi som når klimatmålen måste allt stål vara fossilfritt oavsett pris. Det skriver några forskare i en replik till ”Är det gröna stålet verkligen grönt” av Henrekson, Sandström och Terjesen 1/4.
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5.
  • Li, Zhenxi, et al. (författare)
  • Steel decarbonization in China–a top-down optimization model for exploring the first steps
  • 2023
  • Ingår i: Journal of Cleaner Production. - : Elsevier BV. - 0959-6526. ; 384
  • Tidskriftsartikel (refereegranskat)abstract
    • The steel industry is a major contributor to emissions of CO2 and key air pollutants. Reducing air pollution has since long been a policy priority in China. Reducing CO2 emissions has more recently also become a key priority partially manifested through the signing of the Paris Agreement in 2015. Although there are often synergies between reducing CO2 emissions and air pollution, it may have implications for the geographical location if one is prioritized over the other, with subsequent effects on local economies and overall policy efficiency. Therefore, we build a top-down optimization model to assess the provincial allocation of steel production, air pollution impact and the cost for meeting the target of peaking CO2 emissions in 2025 and reducing them by 30% in 2030. This short-term reduction target can be regarded as the first steps for China's steel industry to meet the national net zero target and the Pairs agreement. We analyze a scenario to minimize air pollution impact and compare this with a scenario to minimize CO2 mitigation costs. The results show that it is possible to peak CO2 emissions in 2025 and reduce them by 30% in 2030 but the resulting scrap demand requires increased quality scrap collection or imports. The total cost for different scenarios is similar but optimizing on abatement cost leads to lower cumulative CO2 emissions 2021–2030 compared to optimizing on pollution impact. If reducing pollution impact is the main objective, it leads to 22–26% lower pollution impact than when optimizing on abatement costs, and less primary production in densely populated areas. This implies that policy must handle trade-offs between cost optimal mitigation and pollution impact, as well as effects on local economies. Policy must also balance the accelerated introduction of Electric Arc Furnaces while simultaneously reducing overcapacity in primary production.
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6.
  • Stenqvist, Christian, et al. (författare)
  • Free allocation in hte 3rd EU ETS period: assessing two manufacturing sectors
  • 2016
  • Ingår i: Climate Policy. - : Informa UK Limited. - 1469-3062 .- 1752-7457. ; 16:2, s. 125-144
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper provides an analysis of the EU ETS harmonised benchmark-based allocation procedures by comparing two energy-intensive sectors with activities in three Member States (MS); the cement industry (CEI) and the pulp and paper industry (PPI) in UK, Sweden and France. Results show that the new procedures are better suited for the homogenous CEI, for which allocation is to decrease in a consistent manner. For the heterogeneous PPI – with diverse product portfolios, technical infrastructure and fuel-mixes – the allocation procedures cause dispersed outcomes. The lack of product benchmark curves, biased reference values on fuel-mix and specific energy use as well as other issues, leads to allocations that do not represent the average performance of the 10% most GHG efficient installations. Another issue with the 3rd phase allocation procedure is that grandfathering is still present via the historically based production volumes. How to deal with structural change and provisions regarding capacity reductions and partial cessation is an issue, which is highly relevant for the PPI but less so for the CEI. In manufacturing sectors such as cement industry (CEI) and pulp and paper industry (PPI), the new banchmark-based allocation procedures have managed to reduce the EU-wide free allocation in the 3rd period compared with the 2nd period. For the homogenous CEI the outcome of stricter allocation is consistent between Member States. However, free allocation based on grandfathering of prerecession activity levels and CO2 performances is likely to create long positions in coming years. Our results disclose differing outcomes between sectors and Member States, with cases of conspicuous supply of allowances in the heterogeneous PPI. Lack of product benchmark curves, biased reference values on fuel-mix and specific energy use etc., leads to allocations that do not represent the average performance of the 10% most GHG efficient installations.
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7.
  • Åhman, Max, et al. (författare)
  • International cooperation for decarbonizing energy intensive industries: the case for a Green Materials Club
  • 2022
  • Ingår i: HANDBOOK ON TRADE POLICY AND CLIMATE CHANGE. - 9781839103230 ; , s. 108-125
  • Bokkapitel (refereegranskat)abstract
    • Basic materials are traded globally and responsible for roughly 22 % of global carbon emissions. It is technically possible for the energy intensive industries (EIIs) that produce these materials to reach zero emission, but at a cost. So far, the fear of carbon leakage has been a barrier for implementing ambitious domestic climate policies that targets theses globally traded commodities. The introduction of border carbon adjustments (BCAs) for levelling the global playing field has been suggested to ameliorate these concerns. However, another way is to focus more on innovation, adopting green industrial policies and to cooperate internationally for developing technologies for net zero EIIs. In this chapter we explore the opportunities for enhanced cooperation for enabling deep decarbonisation for EIIs and how that links to BCAs. We argue for establishing a green materials club focussing on long-term technology development and discusses limitation and opportunities for this approach. A green materials club could ease the conflicts between trade and ambitious climate policy and complement BCAs.
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8.
  • Åhman, Max (författare)
  • Unlocking the “Hard to Abate” Sectors : WRI expert perspective
  • 2020
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • Energy-intensive industries (EIIs) produce basic materials that are responsible for around 22 percent of global CO2 emissions. The emissions keep increasing due to growing demand for basic materials as the world develops and effective global climate policy responses remain lacking. Reversing this trend and aligning the emissions trajectory with the goals of the Paris Agreement is an urgent and challenging task. EIIs are an integral part of the industrialized society and have coevolved over several decades with infrastructure, social institutions, knowledge, and technology. This has led to a highly efficient but fossil-fuel dependent production system resulting in a carbon lock-in. This path dependency can be traced to several mechanisms at play simultaneously. The dependency can be unlocked, but this will require concerted effort and long-term vision. This expert perspective shed some light on the various "lock-ins" at play and offers some solutions
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  • Arens, Marlene, et al. (författare)
  • Which countries are prepared to green their coal-based steel industry with electricity? - Reviewing climate and energy policy as well as the implementation of renewable electricity
  • 2021
  • Ingår i: Renewable and Sustainable Energy Reviews. - : Elsevier BV. - 1364-0321. ; 143
  • Forskningsöversikt (refereegranskat)abstract
    • Global steel production is currently dependent on coal and capital-intensive production facilities with long economic lifetimes. While the Paris Agreement means carbon neutrality must be reached globally by 2050–2070, with negative emissions thereafter, coal-based steel production today accounts for around 8% of global energy-related CO2 emissions. Its production may stabilize or even decline in industrialized countries, but it will increase significantly in the emerging economies. In the past, the focus of CO2 reduction for steel has been on moderate emissions reductions through energy efficiency measures and on exploring carbon capture and storage. However, as (1) the cost of renewable electricity is declining rapidly, (2) carbon capture and storage has not materialized yet, and (3) and more and more countries set deep emission reduction targets, electricity- and hydrogen-based steelmaking has gathered substantial momentum over the past half-decade. Given the short time frame and the sector's deep carbon lock-in, there is an urgent need to understand the national climate and energy policy as well as the current implementation of low-CO2 and renewable electricity that would enable a shift from coal-based to electricity-based steelmaking. In this paper, we first identify the countries that are likely to be major steel producers in the future and thus major CO2-emitters. Then we map medium- and long-term CO2 reduction and renewable targets as well as the current share of low-CO2 and renewable electricity by country. Based on these data, we develop a set of indicators that map the readiness of steel-producing countries for a sustainable transition. Our findings show that although binding long-term CO2 reduction targets are being implemented, medium-term CO2 reduction do not yet affect coal based steel production. Overall, the global steel industry seems not be on track yet, though differences between steel producing countries are large. Common shortcomings across countries are a lack of access to renewable electricity and a lack of demanding medium-term CO2 reduction targets. The paper ends with recommendations on how to enable a low-carbon transition of the global steel industry in line with the Paris Agreement.
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