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  • 1
    Online Resource
    Online Resource
    Kiel : Institut für Weltwirtschaft (IfW)
    Keywords: Forschungsbericht ; Geoengineering
    Type of Medium: Online Resource
    Pages: Online-Ressource (110 S., 1,15 MB)
    Language: German
    Note: Förderkennzeichen BMBF 01LG1002A. - Verbund-Nr. 01079445 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Auch als gedr. Ausg. vorhanden , Systemvoraussetzungen: Acrobat reader.
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  • 2
    Keywords: Forschungsbericht ; Geoengineering
    Type of Medium: Online Resource
    Pages: Online-Ressource (196 S., 6,08 MB) , graph. Darst.
    ISBN: 3894563249
    Language: German
    Note: Förderkennzeichen BMBF 01LG1002A-F. - Verbund-Nr.01079445 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Auch als gedr. Ausg. vorhanden , Systemvoraussetzungen: Acrobat reader.
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  • 3
    Keywords: Geoengineering ; Forschungsbericht ; Geoengineering
    Type of Medium: Book
    Pages: XI, 180 S. , graph. Darst.
    ISBN: 3894563249
    Language: German
    Note: Förderkennzeichen BMBF 01LG1002A-F. - Verbund-Nr.01079445 , Auch als elektronische Ressource vorh , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden. - Auch als elektronische Ressource vorhanden
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  • 4
    Type of Medium: Online Resource
    Pages: Online Ressource (PDF-Datei: XI, 180 S., 4,77 MB) , graph. Darst.
    ISBN: 3894563249
    Language: German
    Note: Förderkennzeichen BMBF 01LG1002A-F. - Verbund-Nr.01079445
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  • 5
    Publication Date: 2022-09-16
    Description: Emissions trading systems (ETS) and markets usually do not allow for the inclusion of carbon dioxide removal (CDR) activities and if they do, removal activities are primarily restricted to afforestation. The New Zealand emission trading system (NZ ETS), for examples, integrates afforestation, and the California Low-Fuel Standard, the Quebec ETS and the Chinese ETS permit the restricted inclusion of afforestation offsets. Furthermore, the California Low-Carbon Fuel Standard System allows for the inclusion of removal via Direct Air Capture. In combination with the 45Q tax credit program, the largest incentives for CDR via Negative Emissions Technologies (NETs) are currently provided in the US. However, both do not yet allow for the inclusion of ocean-based carbon removal. Hence, we provide first a brief overview about the NZ ETS and its inclusion of afforestation, pointing out that the concept will likely not be applicable to ocean-based CDR with the potential exemption of blue carbon projects. Second, we discuss the 45Q tax credit program, the California Low-Fuel Standard System, and the California Compliance Offset Scheme. Third, we provide an overview about the company database related to ocean-based carbon removal. Fourth, we briefly look at the voluntary carbon market, providing some insights for carbon removal accounting.
    Type: Report , NonPeerReviewed , info:eu-repo/semantics/book
    Format: text
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  • 6
    Publication Date: 2022-06-17
    Description: Any integration of extra carbon dioxide removal (CDR) via terrestrial or marine sink enhancement into climate policies requires accounting for their effectiveness in reducing atmospheric carbon concentration and translating this information into the amount of carbon credits (to be used in official and voluntary emission trading schemes). Here, we assess accounting schemes in their appropriateness of assigning carbon credits. We discuss the role of temporary carbon storage and present the various ccounting methods for carbon credit assignment. We explain how we have implemented the methods numerically and analyse carbon assignments across the different accounting schemes, using stylized, model-based ocean sink enhancement experiments.
    Type: Report , NonPeerReviewed , info:eu-repo/semantics/book
    Format: text
    Format: text
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  • 7
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    AGU (American Geophysical Union) | Wiley
    In:  Earth's Future, 6 (3). pp. 565-582.
    Publication Date: 2021-02-08
    Description: To maintain the chance of keeping the average global temperature increase below 2 degrees C and to limit long-term climate change, removing carbon dioxide from the atmosphere (carbon dioxide removal, CDR) is becoming increasingly necessary. We analyze optimal and cost-effective climate policies in the dynamic integrated assessment model (IAM) of climate and the economy (DICE2016R) and investigate (1) the utilization of (ocean) CDR under different climate objectives, (2) the sensitivity of policies with respect to carbon cycle feedbacks, and (3) how well carbon cycle feedbacks are captured in the carbon cycle models used in state-of-the-art IAMs. Overall, the carbon cycle model in DICE2016R shows clear improvements compared to its predecessor, DICE2013R, capturing much better long-term dynamics and also oceanic carbon outgassing due to excess oceanic storage of carbon from CDR. However, this comes at the cost of a (too) tight short-term remaining emission budget, limiting the model suitability to analyze low-emission scenarios accurately. With DICE2016R, the compliance with the 2 degrees C goal is no longer feasible without negative emissions via CDR. Overall, the optimal amount of CDR has to take into account (1) the emission substitution effect and (2) compensation for carbon cycle feedbacks.
    Type: Article , PeerReviewed
    Format: text
    Format: text
    Format: other
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  • 8
    Publication Date: 2019-09-23
    Description: The ocean regulates the global climate, provides humans with natural resources such as food, materials, important substances, and energy, and is essential for international trade and recreational and cultural activities. Together with human development and economic growth, free access to, and availability of, ocean resources and services have exerted strong pressure on marine systems, ranging from overfishing, increasing resource extraction, and alteration of coastal zones to various types of thoughtless pollution. International cooperation and effective governance are required to protect the marine environment and promote the sustainable use of marine resources in such a way that due account can be taken of the environmental values of current generations and the needs of future generations. The high seas deserve particular attention since they suffer from a number of regulatory shortcomings due to the basic structures set out under international law. Against this backdrop, developing and agreeing on a focussed Sustainable Development Goal (SDG) specifically for the Ocean and Coasts could prove to be an essential element to provide guidance and a framework for regional implementation agreements.
    Type: Article , PeerReviewed
    Format: text
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  • 9
    Publication Date: 2019-09-23
    Description: The ocean regulates the global climate, provides humans with natural resources such as food, materials, important substances, and energy, and is essential for international trade and recreational and cultural activities. Together with human development and economic growth, free access to, and availability of, ocean resources and services have exerted strong pressure on marine systems, ranging from overfishing, increasing resource extraction, and alteration of coastal zones to various types of thoughtless pollution. Both economic theory and many case studies suggest that there is no “tragedy of the commons” but a “tragedy of open access”. With high likeliness, structures of open access are non-sustainable. International cooperation and effective governance are required to protect the marine environment and promote the sustainable use of marine resources in such a way that due account can be taken of the environmental values of current generations and the needs of future generations. For this purpose, developing and agreeing on one Sustainable Development Goal (SDG) specifically for the Ocean and Coasts could prove to be an essential element. The new SDGs will build upon the Millennium Development Goals (MDGs) and replace them by 2015. Ensuring environmental sustainability in a general sense is one of the eight MDGs but the ocean is not explicitly addressed. Furthermore, the creation of a comprehensive underlying set of ocean sustainability targets and effective indicators developed within a global Future Ocean Spatial Planning (FOSP) process would help in assessing the current status of marine systems, diagnosing ongoing trends, and providing information for inclusive, forward-looking, and sustainable ocean governance
    Type: Article , PeerReviewed
    Format: text
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  • 10
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    IOP Publishing
    In:  Environmental Research Letters, 9 (4). 044013.
    Publication Date: 2019-09-23
    Description: Halpern et al (2012 An index to assess the health and benefits of the global ocean Nature 488 11397)propose a detailed measure of the state of the human-ocean system against ten societal goals. They devote less attention to the normative foundation of the index, which is crucial for assessing the overall health of the human-ocean system, notably when it comes to aggregation of potentially conflicting goals. Social choice theory provides several possible functional forms for assessing the compound change in various goals. The one chosen by Halpern et al, the arithmetical mean, is not only a specific but also an extreme case. It implicitly allows for unlimited substitution. A one-unit reduction in one goal can be fully offset by a one-unit increase in another with the same weighting factor. For that reason, the current index satisfies an extremely weak sustainability concept. We show that the results in Halpern et al are not robust when one adopts a strong sustainability concept. The overall health score of the ocean decreases, the ranking of the various coastal states changes substantially, and the assessment of sustainable development needs to be partially reversed.
    Type: Article , PeerReviewed
    Format: text
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