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Deutschland liegt bei Klimaschutz und der langfristigen Sicherung der Energie- und Rohstoffversorgung weit hinter seinen eigenen Zielen. Nur mit Tempo, Mut und Ehrlichkeit lässt sich der Rückstand jetzt aufholen. Dazu gehören ein beschleunigter Ausbau erneuerbarer Energien, ein sofortiger Aufbau eines umfassenden Netzes für grünen Wasserstoff, verbindliche Ziele für eine echte Kreislaufwirtschaft, klare Vorgaben für den Wohnungsbestand, eine ernsthafte Mobilitätswende und wirksame Anreize für eine nachhaltige Produktion. Bei all dem müssen sozial gerechte Lösungen gefunden werden, nur so lässt sich CO2-Vermeidung und Ressourcenschutz in der Breite durchsetzen.
Das vorliegende Impulspapier des Wuppertals Instituts zeigt, wie sehr Deutschland auf dem Weg zur Nachhaltigkeit seinen eigenen Zielen hinterherhinkt.
What is necessary to reach net zero emissions in the transport sector on a global level? To keep limiting global warming to 1.5° C within reach, the world has to decarbonise by mid-century, with every sector contributing as much as possible as soon as possible. This paper identifies what has to be done in road transport, aviation, and shipping to achieve net zero emission in the transport sector.
For this purpose, it first sets the scene by providing an overview of the origins and impacts of the concept of net zero emissions in international climate policy as well as of the current state and future prospects of global transport emissions using currently available scenarios for low-emission and net zero transport.
While for staying below 1.5° C, the basic approach to reducing transport emissions remains unchanged from what has been suggested in the past, the set, intensity and pace of actions as to shift fundamentally. Without first drastically reducing traffic volume and shifting transport demand to low-emission modes, reaching net zero transport will not be feasible: the amount of additional electricity required to fully electrify the sector with renewable energy is otherwise just too huge.
After portraying key instruments for achieving net zero emissions in land transport, aviation, and shipping, this paper identifies key barriers for net zero transport. Based on this analysis, the authors recommend the following to be able to move transport to net zero:
1. Adapt Decarbonisation Strategies to Different Transport Sub-sectors
2. Prioritise and Significantly Increase Investment in Zero-/low-carbon Infrastructure
3. Massively Invest in the Development and Roll out of Zero-/low-emission Technologies
4. Focus on a Just Transition to Overcome Social and Political Barriers
5. Increase International Support and Cooperation
A sectoral perspective can help the Global Stocktake (GST) to effectively achieve its objective to inform Parties' in enhancing subsequent NDCs and in enhancing international cooperation. Specifically, granular and actionable sectoral lessons, grounded in country-driven assessments, should be identified and elaborated. To be effective, conversations on sectoral transformations need to synthesise key challenges and opportunities identified in the national analyses and link them to international enablers; focus on systemic interdependencies, involve diverse actors, and be thoroughly prepared including by pre-scoping points of convergences and divergence across transformations. We specifically recommend that:
the co-facilitators of the Technical Dialogue use their (limited) mandate to facilitate an effective conversationon sectoral transformations e.g. by organising dedicated informal seminars in between formal negotiation sessions;
key systemic transformations necessary toachieve net-zero by mid-century should be spelled out and included in the final decision or political declaration of the GST; and
the political outcome of the GST should mandate follow-up processes at the regional level and encourage national-level conversations to translate the collective messages from GST into actionable and sector-specific policy recommendations.