1,721,037 research outputs found

    Weltklimagipfel in Kopenhagen: Welche Erfolgsaussichten hat ein globales Klimaabkommen?

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    Auf dem Weltklimagipfel in Kopenhagen im Dezember 2009 wird ein globales Klimaabkommen verhandelt. Können dort Strukturen geschaffen werden, die einen effizienten und kostengünstigen Klimaschutz ermöglichen? Entscheidend sei es, nach Meinung von Hubertus Bardt, Institut der deutschen Wirtschaft Köln, die Klimaschutzziele mit möglichst geringem Kostenaufwand zu erreichen. Möchte man international einen möglichst effizienten Klimaschutz betreiben, müssten die Maßnahmen zur Vermeidung von Treibhausgasemissionen an den Orten vorgenommen werden, wo dies je vermiedener Einheit am billigsten sei. Oftmals dürften diese Möglichkeiten in den Entwicklungs- und Schwellenländern liegen, während in den klimapolitisch aktiven Industrieländern preiswerte Vermeidungspotentiale bereits zu einem guten Teil ausgeschöpft seien. Ein neues internationales Klimaabkommen müsse also dazu beitragen, dass die global günstigsten Vermeidungspotentiale realisiert werden. Ottmar Edenhofer, Brigitte Knopf und Gunnar Luderer, Potsdam-Institut für Klimafolgengforschung, sehen eine sinnvolle Architektur der Klimapolitik hauptsächlich in drei Maßnahmen: 1) in einer Einigung über die Kohlenstoffmenge, die noch bis zum Ende des Jahrhunderts in der Atmosphäre abgelagert werden darf, 2) in der Verteilung der Emissionsrechte nach einem gerechten Schlüssel auf alle Nationen und 3) in der Schaffung der institutionellen Voraussetzungen für einen globalen Emissionshandel. Für Sabine Schlacke, Universität Bremen, scheint das "Ob" und "Wie" eines Post-Kyoto-Abkommens "derzeit mehr als ungewiss". Ein Scheitern der internationalen Verhandlungen könne aber durchaus auch die Möglichkeit eröffnen, über einen Systemwandel bei der internationalen Architektur des Klimaschutzes nachzudenken.Umweltabkommen, Internationale Umweltpolitik, Klimaschutz, Finanzierung, Welt

    Post-2020 climate agreements in the major economies assessed in the light of global models

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    Post-2020 climate agreements in the major economies assessed in the light of global models / Massimo Tavoni, Elmar Kriegler, Keywan Riahi, Detlef P. van Vuuren, Tino Aboumahboub, Alex Bowen, Katherine Calvin, Emanuele Campiglio, Tom Kober, Jessica Jewell, Gunnar Luderer, Giacomo Marangoni, David McCollum, Mariësse van Sluisveld, Anne Zimmer, Bob van der Zwaan. Nature Climate Change, 2014 - DOI 10.1038/NCLIMATE2475 http://www.nature.com/nclimate/journal/vaop/ncurrent/full/nclimate2475.html Aut..

    Long-term transport energy demand and climate policy

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    Long-term transport energy demand and climate policy: Alternative visions on transport decarbonization in energy economy models / Robert Pietzcker, Thomas Longden, Wenying Chen, Sha Fu, Elmar Kriegler, Page Kyle, Gunnar Luderer. FEEM, 2013, 26 p. (Nota di lavoro ; 8.2013) http://www.feem.it/userfiles/attach/2013251458424NDL2013-008.pdf Abstract (© FEEM) : Transportation accounts for a substantial share of CO2 emissions, and decarbonizing transport will be necessary to limit global warming to..

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Long-term transport energy demand and climate policy

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    Long-term transport energy demand and climate policy: Alternative visions on transport decarbonization in energy economy models / Robert Pietzcker, Thomas Longden, Wenying Chen, Sha Fu, Elmar Kriegler, Page Kyle, Gunnar Luderer. FEEM, 2013, 26 p. (Nota di lavoro ; 8.2013) http://www.feem.it/userfiles/attach/2013251458424NDL2013-008.pdf Abstract (© FEEM) : Transportation accounts for a substantial share of CO2 emissions, and decarbonizing transport will be necessary to limit global warming to..

    Post-2020 climate agreements in the major economies assessed in the light of global models

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    Post-2020 climate agreements in the major economies assessed in the light of global models / Massimo Tavoni, Elmar Kriegler, Keywan Riahi, Detlef P. van Vuuren, Tino Aboumahboub, Alex Bowen, Katherine Calvin, Emanuele Campiglio, Tom Kober, Jessica Jewell, Gunnar Luderer, Giacomo Marangoni, David McCollum, Mariësse van Sluisveld, Anne Zimmer, Bob van der Zwaan. Nature Climate Change, 2014 - DOI 10.1038/NCLIMATE2475 http://www.nature.com/nclimate/journal/vaop/ncurrent/full/nclimate2475.html Aut..

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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