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Dresden 2020 – scientific programme

The DPG Spring Meeting in Dresden had to be cancelled! Read more ...

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SOE: Fachverband Physik sozio-ökonomischer Systeme

SOE 6: Poster

SOE 6.2: Poster

Monday, March 16, 2020, 17:00–20:00, P2/4OG

Policy and Innovation Spreading on the Global City Network — •Niklas Kitzmann1, Xuemei Bai2, Steven Lade3, Ricarda Winkelmann1, and Jonathan Donges11Potsdam Institute for Climate Impact Research, Germany — 2Fenner School of Environment & Society, Australian National University, Canberra, Australia — 3Stockholm Resilience Centre, Stockholm University, Sweden

Only a fast and global transformation towards decarbonization and sustainability can keep the Earth in a civilization-friendly state. Cities play an important role in this transformation: they are responsible for a dis-proportionally large part of greenhouse gas emissions, and simultaneously are one of the main drivers of sustainable policy innovation and adoption. Learning from each other to reduce, prepare for and react to the coming environmental changes, they can be conceptualized as nodes in a globe-spanning network. Such a network may be approximated by global air traffic, political and trade relations, and other city-to-city connections.

Here, we model the spreading of several municipal sustainability policies and innovations as contagion processes on such inter-city networks. For this purpose, several networks, comprised of different types of city interconnections, are extracted from empirical data. The spread of several urban technology and policy innovations, such as Bus Rapid Transit Systems and carbon neutrality targets, are then investigated to discover which network correlates best with the contagion process. Different hypotheses for the type of the contagion process are also tested, potentially yielding insights on social tipping dynamics.

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