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Book ; Online: How the sustainable intensification of agriculture can contribute to the Sustainable Development Goals

Delzeit, Ruth

the need for specific socio-ecological solutions at all spatial levels

(Working paper / Deutsches Komitee für Nachhaltigkeitsforschung in Future Earth ; 2018, no. 1)

2018

Author's details	R. Delzeit, I. Lewandowski, A. Arslan, G. Cadisch, J. W. Erisman, F. Ewert, A. M. Klein, C. von Haaren, H. Lotze-Campen, W. Mauser, T. Plieninger, A. Ratjen, V. Tekken, V. Wolters, N. Brüggemann
Series title	Working paper / Deutsches Komitee für Nachhaltigkeitsforschung in Future Earth ; 2018, no. 1 Working paper
Collection	Working paper
Language	English
Size	1 Online-Ressource (6 Seiten), 1 Illustration
Publisher	German Committee Future Earth, Secretariat
Publishing place	Stuttgart
Publishing country	Germany
Document type	Book ; Online
HBZ-ID	HT020389073
ISBN	978-3-9813068-6-6 ; 3-9813068-6-4
Database	ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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Article: Global economic–biophysical assessment of midterm scenarios for agricultural markets—biofuel policies, dietary patterns, cropland expansion, and productivity growth

Delzeit, Ruth

Environmental research letters, 13(2):025003

2018

Abstract: Land-use decisions are made at the local level. They are influenced both by local factors and by global drivers and trends. These will most likely change over time e.g. due to political shocks, market developments or climate change. Hence, their ... ...

Abstract	Land-use decisions are made at the local level. They are influenced both by local factors and by global drivers and trends. These will most likely change over time e.g. due to political shocks, market developments or climate change. Hence, their influence should be taken into account when analysing and projecting local land-use decisions. We provide a set of mid-term scenarios of global drivers (until 2030) for use in regional and local studies on agriculture and land-use. In a participatory process, four important drivers are identified by experts from globally distributed regional studies: biofuel policies, increase in preferences for meat and dairy products in Asia, cropland expansion into uncultivated areas, and changes in agricultural productivity growth. Their impact on possible future developments of global and regional agricultural markets are analysed with a modelling framework consisting of a global computable general equilibrium model and a crop growth model. The business as usual (BAU) scenario causes production and prices of crops to rise over time. It also leads to a conversion of pasture land to cropland. Under different scenarios, global price changes range between −42 and +4% in 2030 compared to the BAU. An abolishment of biofuel targets does not significantly improve food security while an increased agricultural productivity and cropland expansion have a stronger impact on changes in food production and prices.
Keywords	computable general equilibrium model ; global land use change ; global scenarios ; dynamic crop growth model ; integrated modelling framework ; midterm scenarios
Language	English
Document type	Article
Database	Repository for Life Sciences

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Article: Potentials, subsidies and tradeoffs of cellulosic ethanol in the European Union

Schuenemann, Franziska / Delzeit, Ruth

Ecological economics. 2022 May, v. 195

2022

Abstract: The EU's revised Renewable Energy Directive (RED2) sets high mandates for advanced biofuels like cellulosic bioethanol from agricultural residues. However, many residues are used for ecological and economic purposes such as soil organic carbon regulation ...

Abstract	The EU's revised Renewable Energy Directive (RED2) sets high mandates for advanced biofuels like cellulosic bioethanol from agricultural residues. However, many residues are used for ecological and economic purposes such as soil organic carbon regulation and livestock bedding and fodder. We use the global CGE model DART-BIO with a detailed representation of the bioeconomy to simulate the RED2 cellulosic bioethanol mandates and run sensitivity analyses regarding processing technology, straw and oil prices. We implement a latent cellulosic ethanol technology and develop new sectors for agricultural residues. We find that the RED2 cellulosic ethanol mandates will require enormous amounts of residues that could exceed the sustainable available potential in the EU. Agricultural residue utilization changes substantially and the cellulosic ethanol industry becomes the main residue consumer. Results show that output and price impacts of advanced biofuel targets are small, but there is reallocation of land towards cereals that enter the agricultural residue sector away from other crops in the EU. Moreover, the size of necessary cellulosic ethanol subsidies and the abatement costs per tonCO₂eq are very sensitive to actual straw and oil prices.
Keywords	European Union ; agricultural wastes ; bioeconomics ; bioenergy industry ; bioethanol ; ecological economics ; energy policy ; forage ; livestock ; models ; oils ; prices ; soil organic carbon ; straw
Language	English
Dates of publication	2022-05
Publishing place	Elsevier B.V.
Document type	Article
ISSN	0921-8009
DOI	10.1016/j.ecolecon.2022.107384
Database	NAL-Catalogue (AGRICOLA)

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Article: Economic gains from global cooperation in fulfilling climate pledges

Thube, Sneha D. / Delzeit, Ruth / Henning, Christian H.C.A.

Energy policy. 2022 Jan., v. 160

2022

Abstract: Mitigation of CO₂ emissions is a global public good that imposes different regional economic costs. We assess the distributional effects of cooperative versus non-cooperative CO₂ markets to fulfil the Nationally Determined Contributions (NDCs), ... ...

Abstract	Mitigation of CO₂ emissions is a global public good that imposes different regional economic costs. We assess the distributional effects of cooperative versus non-cooperative CO₂ markets to fulfil the Nationally Determined Contributions (NDCs), considering different CO₂ permit allocation rules in cooperative markets. We employ a global computable general equilibrium model based on the GTAP-9 database and the add-on GTAP-Power database. Our results show the resulting winners and losers under different policy scenarios with different permit allocation rules. We see that in 2030, we can obtain gains as high as $106 billion from global cooperation in CO₂ markets. A cooperative CO₂ permit market with equal per capita allowances results in considerable monetary transfers from high per capita emission regions to low per capita emission regions. In per capita terms, these transfers are comparable to the Official Development Assistance (ODA) transfers. We also disaggregate the mitigation costs into direct and indirect shares. For the energy-exporting regions, the largest cost component is unambiguously the indirect mitigation costs.
Keywords	carbon dioxide ; climate ; databases ; energy policy ; markets ; models
Language	English
Dates of publication	2022-01
Publishing place	Elsevier Ltd
Document type	Article
ISSN	0301-4215
DOI	10.1016/j.enpol.2021.112673
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Global cropland could be almost halved: Assessment of land saving potentials under different strategies and implications for agricultural markets.

Schneider, Julia M / Zabel, Florian / Schünemann, Franziska / Delzeit, Ruth / Mauser, Wolfram

PloS one

2022 Volume 17, Issue 2, Page(s) e0263063

Abstract: The pressure on land resources continuously increases not only with the rising demand for agricultural commodities, but also with the growing need for action on global challenges, such as biodiversity loss or climate change, where land plays a crucial ... ...

Abstract	The pressure on land resources continuously increases not only with the rising demand for agricultural commodities, but also with the growing need for action on global challenges, such as biodiversity loss or climate change, where land plays a crucial role. Land saving as a strategy, where agricultural productivity is increased to allow a reduction of required cropland while sustaining production volumes and meeting demand, could address this trade-off. With our interdisciplinary model-based study, we globally assess regional potentials of land saving and analyze resulting effects on agricultural production, prices and trade. Thereby, different land saving strategies are investigated that (1) minimize required cropland (2) minimize spatial marginalization induced by land saving and (3) maximize the attainable profit. We find that current cropland requirements could be reduced between 37% and 48%, depending on the applied land saving strategy. The generally more efficient use of land would cause crop prices to fall in all regions, but also trigger an increase in global agricultural production of 2.8%. While largest land saving potentials occur in regions with high yield gaps, the impacts on prices and production are strongest in highly populated regions with already high pressure on land. Global crop prices and trade affect regional impacts of land saving on agricultural markets and can displace effects to spatially distant regions. Our results point out the importance of investigating the potentials and effects of land saving in the context of global markets within an integrative, global framework. The resulting land saving potentials can moreover reframe debates on global potentials for afforestation and carbon sequestration, as well as on how to reconcile agricultural production and biodiversity conservation and thus contribute to approaching central goals of the 21st century, addressed for example in the Sustainable Development Goals, the Paris Agreement or the post-2020 global biodiversity framework.
MeSH term(s)	Agriculture/economics ; Agriculture/ethics ; Agriculture/methods ; Biodiversity ; Carbon Sequestration ; Climate Change ; Commerce/methods ; Conservation of Natural Resources/methods ; Crops, Agricultural/growth & development ; Ecosystem ; Food Security/methods ; Humans ; Internationality ; Sustainable Development/trends
Language	English
Publishing date	2022-02-22
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2267670-3
ISSN	1932-6203 ; 1932-6203
ISSN (online)	1932-6203
ISSN	1932-6203
DOI	10.1371/journal.pone.0263063
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Book ; Online: Bremst das Ausschreibungssystem des EEG 2017 den Ausbau von Windenergie an Land?

Wilts, Hilke / Delzeit, Ruth

(Kiel policy brief ; Nr. 109 (November 2017))

2017

Abstract: The tendering system in accordance with the German EEG 2017 distinguishes between civil energy companies and commercial providers for onshore wind energy. However, primarily big project developers profit from the less stringent regulation for civil ... ...

Author's details	Hilke Wilts und Ruth Delzeit
Series title	Kiel policy brief ; Nr. 109 (November 2017)
Abstract	The tendering system in accordance with the German EEG 2017 distinguishes between civil energy companies and commercial providers for onshore wind energy. However, primarily big project developers profit from the less stringent regulation for civil energy companies. The considerable bid price decrease through the past bidding rounds makes it practically impossible to run wind farms profitably. Penalty payments for nonrealization of projects can counteract this trend and ensure the planned build-up of wind energy. Unter dem Ausschreibungssystem des EEG 2017 wird für Windenergie an Land zwischen Bürgerenergiegesellschaften und kommerziellen Anbietern unterschieden. Von den weniger strengen Konditionen für Bürgerenergiegesellschaften profitieren jedoch hauptsächlich große Projektierer. Der deutliche Preisabfall des Gebotswerts über die Ausschreibungsrunden macht es kaum möglich, Windparks gewinnbringend zu betreiben. Strafzahlungen bei Nichtrealisie-rung von Projekten können diesem Trend entgegenwirken und sicherstellen, dass der ange-strebte Zubau von Windenergie erreicht wird.
Keywords	Windenergie ; Ausschreibungsverfahren ; EEG-Novelle 2017 ; Bürgerenergiegesellschaften
Language	German
Size	1 Online-Ressource (circa 9 Seiten), Illustrationen
Publisher	Institut für Weltwirtschaft
Publishing place	Kiel, Germany
Document type	Book ; Online
Note	Zusammenfassung in englischer Sprache
Database	ECONomics Information System

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Book ; Article ; Online: Who benefits really from phasing out palmoil-based biodiesel in the EU?

Delzeit, Ruth / Heimann, Tobias / Schünemann, Franziska / Söder, Mareike

2021

Abstract: The latest Renewable Energy Directive (RED II) by the European Union (EU) provides an updated framework for the use of renewable energy in the EU transport sector until 2030. We employ the computable general equilibrium (CGE) model DART-BIO for a ... ...

Abstract	The latest Renewable Energy Directive (RED II) by the European Union (EU) provides an updated framework for the use of renewable energy in the EU transport sector until 2030. We employ the computable general equilibrium (CGE) model DART-BIO for a scenario-based policy analysis and evaluate different possible futures of biofuel use under four specifications of the RED II. Our results show that conventional biofuels will not become cost competitive to oil-based fuels. Moreover, we demonstrate the impact of the RED II specifications on the global production of food and feed crops. A further focus of this paper lies on the palm oil phase-out as feedstock for biofuels in the EU, to halt deforestation and land-use change in tropical countries. We find that this phase-out has a relatively small impact on global palm fruit production. Moreover, this study shows that the regulation has the potential to act as a technical barrier to trade, discriminating palm oil producing countries in favour of European rapeseed producers.
Keywords	ddc:330 ; C68 ; D58 ; F18 ; O13 ; Q16 ; Q17 ; Computable General Equilibrium (CGE) ; EU Renewable Energy Directive (RED II) ; Biofuels ; Land Use ; Land Use Change ; High iLUC-Risk ; Palm Oil Biodiesel ; Palm Oil Phase-Out
Subject code	381
Language	English
Publisher	Kiel: Kiel Institute for the World Economy (IfW)
Publishing country	de
Document type	Book ; Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Land Use Change under Biofuel Policies and a Tax on Meat and Dairy Products: Considering Complexity in Agricultural Production Chains Matters

Delzeit, Ruth / Söder, Mareike / Winkler, Malte

Sustainability. 2018 Feb. 06, v. 10, no. 2

2018

Abstract: Growing demand for meat and dairy products (MDP), biofuels, and scarcity of agricultural land are drivers of global land use competition. Impacts of policies targeting demand for MDP or biofuels have only been analysed separately. We use the computable ... ...

Abstract	Growing demand for meat and dairy products (MDP), biofuels, and scarcity of agricultural land are drivers of global land use competition. Impacts of policies targeting demand for MDP or biofuels have only been analysed separately. We use the computable general equilibrium model DART-BIO to investigate combined effects, since MDP and biofuel production are closely related via feestock use and co-production of animal feed. We implement four scenarios: (a) a baseline scenario; (b) halving MDP consumption in industrialised countries by a tax; (c) abolishing current biofuel policies; and (d) no exogenous land use change. We find that a MDP tax and exogenous land use change have larger effects on land use and food markets than biofuel policies. International trade is affected in all scenarios. With respect to combined effects of a MDP tax and biofuel policies, we find decreasing biodiesel but increasing bioethanol production. In addition, the MDP tax decreases the impact of biofuel policies on agricultural markets and land use. Our results highlight the importance of a detailed representation of different vegetable oils used in biodiesel production and related by-products. Finally, since the MDP tax increases the use of fossil fuels, the net climate mitigation potentials of such a tax should be investigated further.
Keywords	agricultural land ; biodiesel ; byproducts ; climate ; dairy products ; developed countries ; energy policy ; ethanol production ; feeds ; fossil fuels ; fuel production ; international trade ; land use change ; markets ; meat ; models ; vegetable oil
Language	English
Dates of publication	2018-0206
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2518383-7
ISSN	2071-1050
ISSN	2071-1050
DOI	10.3390/su10020419
Database	NAL-Catalogue (AGRICOLA)

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Book ; Online ; Thesis: Modelling regional maize markets for biogas production in Germany

Delzeit, Ruth

the impact of different policy options on environment and transport emissions

2011

Author's details	vorgelegt von Ruth Delzeit
Keywords	Bioenergie ; Standortwahl ; Transportkosten ; Maismarkt ; Förderung erneuerbarer Energien ; Wirkungsanalyse ; Deutschland
Language	English
Size	Online-Ressource (X, 127 S., 3,38 MB), graph. Darst., Kt.
Document type	Book ; Online ; Thesis
Thesis / German Habilitation thesis	@Bonn, Univ., Diss., 2010
Note	IMD-Felder maschinell generiert ; Zsfassung in dt. Sprache
Database	ECONomics Information System

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Article: Nitrogen Tax and Set-Aside as Greenhouse Gas Abatement Policies Under Global Change Scenarios: A Case Study for Germany

Henseler, Martin / Delzeit, Ruth / Adenäuer, Marcel / Baum, Sarah / Kreins, Peter

Environmental and resource economics. 2020 July, v. 76, no. 2-3

2020

Abstract: The ambitious climate policy objectives of the COP21 agreement require the design and the implementation of effective and efficient policy instruments. The effectiveness and efficiency of agricultural abatement options depend on regional climate and ... ...

Abstract	The ambitious climate policy objectives of the COP21 agreement require the design and the implementation of effective and efficient policy instruments. The effectiveness and efficiency of agricultural abatement options depend on regional climate and natural conditions, changes in the global economy, global agricultural markets and regional agricultural production. Thus, the assessment of abatement options requires consideration of the global scale, the market scale and the regional producer scale. We investigate two abatement options discussed controversially in literature. Both have been partially applied to reduce environmental pollution from agriculture: a tax on nitrogen and the obligatory set-aside of agricultural land. Our study provides an assessment of the ecological effectiveness and the economic efficiency of both abatement options under different global scenarios. In our policy analysis we combine three applied policy simulation models to develop an integrated economic model framework. This model framework considers the global, the national and the regional scale and consists of the global general equilibrium model DART-BIO, the partial-equilibrium model CAPRI and the regional supply model RAUMIS. In the different global scenarios, the results show that both abatement options create relatively high marginal abatement costs and that the maximally reached abated greenhouse gas emissions represent only 15% of the quantity required to fulfill the policy targets. Compared to the obligatory set-aside option, the nitrogen tax is in both scenarios the more efficient policy. With respect to impacts on production and environment, a nitrogen tax is less forecastable than the obligatory set-aside option. Our study illustrates the relevance of considering global economic and market change in the assessment of producer-targeting environmental policies.
Keywords	agricultural land ; case studies ; climate ; econometric models ; environmental policy ; global change ; greenhouse gases ; markets ; nitrogen ; policy analysis ; pollution ; Germany
Language	English
Dates of publication	2020-07
Size	p. 299-329.
Publishing place	Springer Netherlands
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	1479788-4
ISSN	1573-1502 ; 0924-6460
ISSN (online)	1573-1502
ISSN	0924-6460
DOI	10.1007/s10640-020-00425-0
Database	NAL-Catalogue (AGRICOLA)

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