“…Besides the geographical diversity, from Africa, Europe, and India, to Latin America and North America, there is even more variety in terms of problem domains, ranging from specific functional systems, e.g., energy, food, or housing, to broader cross-domain issues such as the science-society interface, urban development, and climate change. Furthermore, there is diversity in temporality, varying from game-changers as single events, e.g., the 2014-2015 Belgian electricity blackout in Pel et al (2016), to developments spanning a few years, e.g., World War II in Westley et al (2016) or economic crises in Loorbach et al (2016) and Gordon et al (2017), to much slower, long-term developments, such as climate change in Campos et al (2016) or the Anthropocene in Olsson et al (2017).…”