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The production of commodities by energy-intensive industry is responsible for 1/3 of annual global greenhouse gas (GHG) emissions. The climate goal of the Paris Agreement, to hold the increase in the global average temperature to well below 2 °C above pre-industrial levels while pursuing efforts to limit the temperature increase to 1.5 °C, requires global GHG emissions reach net-zero and probably negative by 2055-2080. Given the average economic lifetime of industrial facilities is 20 years or more, this indicates all new investment must be net-zero emitting by 2035-2060 or be compensated by negative emissions to guarantee GHG-neutrality. We argue, based on a sample portfolio of emerging and near-commercial technologies for each sector (largely based on zero carbon electricity & heat sources, biomass and carbon capture, and catalogued in an accompanying database), that reducing energy-intensive industrial GHG emissions to Paris Agreement compatible levels may not only be technically possible, but can be achieved with sufficient prioritization and policy effort. We then review policy options to drive innovation and investment in these technologies. From this we synthesize a preliminary integrated strategy for a managed transition with minimum stranded assets, unemployment, and social trauma that recognizes the competitive and globally traded nature of commodity production. The strategy includes: an initial policy commitment followed by a national and sectoral stakeholder driven pathway process to build commitment and identify opportunities based on local zero carbon resources; penetration of near-commercial technologies through increasing valuation of GHG material intensity through GHG pricing or flexible regulations with protection for competitiveness and against carbon leakage; research and demand support for the output of pilot plants, including some combination of guaranteed above-market prices that decline with output and an increasing requirement for low carbon inputs in government procurement; and finally, key supporting institutions.
Energy intensive industries are one of the fields in which strong increases of energy efficiency and deep decarbonisation strategies are particularly challenging. Although European energy intensive industries have already achieved significant energy and greenhouse gas reductions in the past, much remains to be done to make a significant contribution to achieving European as well as national climate mitigation targets of greenhouse gas emission reductions by -80% or more (compared to the baseline of 1990). North Rhine-Westphalia (NRW) is a European hotspot for coping with this challenge, accommodating more than 10% of the energy intensive industries of the EU28. It is also the first German state to have adopted its own Climate Law, enacting state-wide CO2 emission reductions by 80% until 2050 compared to 1990. The state government initiated the project "Platform Climate Protection and Industry North-Rhine Westphalia" to identify and develop the necessary far-reaching low carbon innovation strategies for energy intensive industries. Heart of the project was a dialogue process, which involved a broad spectrum of stakeholders from steel, chemical, aluminium, cement, glass and paper producing industries. Besides enhancing and broadening the knowledge on high efficiency and low-carbon technologies within industries, the aim was to explore possible pathways and preconditions for the application of these technologies in energy intensive industries as well as to strengthen the motivation of companies for initiatives and investments in technologies with lower CO2 emissions. The results of the dialogue shall provide a basis for a possible low-carbon industry roadmap NRW and may also serve as an example for other industrialized regions in the EU and globally. The paper sketches the structured dialogue process with the stakeholders from companies as well as industrial associations and presents the learnings regarding the engagement of energy intensive industries into ambitious climate policies on a regional level. These include existing limitations as well as chances in the respective sectors on the state level, regarding their economic and technical structures as well as their innovation systems. The findings are based on more than a dozen stakeholder workshops with industry companies and more than 150 individual representatives of NRW's energy intensive industries as well as on background research in the initial phase of the project.
The final report of the research project "Power Sector Decarbonisation: Metastudy" contains the various reports prepared by Öko-Institut and Wuppertal Institute during the course of the SEFEP funded project. A key objective of the project was to make a contribution to the debates within the European Union (EU) and Member States on the EU's Energy Roadmap 2050 publication, which was released in December 2011. This objective was achieved by systematically analysing and comparing recently published scenarios on the European electricity sector commissioned by a range of different stakeholders (environmental NGOs, industry and government agencies).
On 26 January 2019, the Commission on Growth, Structural Change and Employment recommended that no more coal-fired power plants would be operated in Germany by 2038 at the latest. In this paper the Wuppertal Institute comments on the results of the Commission and makes recommendations for the current necessary steps for the climate and innovation policy in Europe, Germany and North Rhine-Westphalia.
The need for an "Energy Roadmap 2050" triggered a multitude of studies that were conducted between 2009 and 2011, which again contained a multitude of decarbonisation scenarios, which achieve the EU's long-term emission mitigation target of reducing greenhouse gas emissions by at least 80% until 2050 (relative to 1990 emissions). The variety of important analysis is difficult to compare and utilize for specific and timely policy decisions. Thus the Smart Energy for Europe Platform (SEFEP) has commissioned a comparative study of relevant energy scenario studies for Europe. The findings of this comparative study are summarized here briefly.
The establishment of the Leveraging a Climate-neutral Society–strategic Research Network (LCS–RNet) (then named the International Research Network for Low Carbon Societies) was proposed at the Group of Eight (G8) Environment Ministers’ Meeting in 2008. Its 12th annual meeting in December 2021 focused on the discussion on how to transition into a just and sustainable society and how to reduce the risks associated with the transition. This requires comprehensive studies including on the concept of transition, pathways to net-zero societies and how to realise the pathways by collaborating with various stakeholders. This Special Feature provides new insights into sustainability science by linking the scientific knowledge with practical science for the transition through the exploration of studies presented at the annual meeting. Following the opening paper, "A challenge for sustainability science: can we halt climate change?", a wide range of topics were discussed, including practices for sustainable transformation in the Erasmus University, practices in industry, energy transition and international cooperation.
In October 2014, the European Council agreed on a target of improving overall energy efficiency by at least 27 per cent by 2030. According to the European Council's conclusions, this target should not be translated into nationally binding targets. Nevertheless individual Member States are free to set higher national objectives if desired. However, it is difficult to assess the degree of ambition of a national target because so far not much light has been shed upon the exact size of the untapped efficiency potentials.
This paper provides an in-depth analysis and comparison of existing studies on energy efficiency potentials in the European Union's (EU) Member States by 2030. It includes a structured overview of the results, information on the quality of the available data and suggestions for improvement.
The review shows that comprehensive studies on national energy efficiency potentials are rare and hardly comparable. The existing studies agree on the existence of significant potentials for energy efficiency. Their outcomes, however, vary significantly in terms of national levels. Assuming low policy intensity, energy savings between 10 and 28 per cent could be realised by 2030 compared to a baseline development, in the case of high policy intensity 7-44 per cent. Technical energy efficiency potentials in the different EU Member States are estimated at 14-52 per cent. On average, energy savings of 27 per cent by 2030 appear to be feasible with significant policy effort. We conclude that the deviation in Member States' energy efficiency potentials resulting from different studies represents an indication of the so far poor quality of underlying data. In order to allow for a concretisation of efficiency potential estimates, the comparability and detail of information sources should be improved.
New options are needed to reduce the impact of motor vehicles on climate change and declining fossil fuel resources. Cars which are fueled by hydrogen could be a sustainable method of transportation if suitable technologies can be devised to produce hydrogen in an environmentally benign manner along with the provision of the necessary fueling infrastructure. This paper assesses size, space, and cost requirements of bioreactors as a decentralized option to supply hydrogen powered cars with biohydrogen produced from algae or cyanobacteria on a theoretical basis. Decentralized supply of biohydrogen could help to reduce the problems that hydrogen cars face regarding market penetration. A feasibility study for decentralized biohydrogen production is conducted, taking the quantity of hydrogen which is needed to fuel current hydrogen cars into account. While this technology is, in theory, feasible, sizes, and costs of such reactors are currently too high for widespread adoption. Thus, more R&D is needed to close the gap and to approach marketability.