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Within knowledge‐oriented, digital‐enabled economies and open societies cities as communities, governments, businesses and people cooperate to co‐create value and develop innovation for sustainable growth. Digital business ecosystems should enable value creation and development. Technology opens new opportunities for knowledge sharing and value creation and stresses the concept of business and digital ecosystem. Information and communication technology supports sustainability and provides a platform for designing and implementing sustainable development within the society. Smart cities as communities, small and medium‐sized enterprises as companies developing innovation and governments going digital contribute to designing sustainable digital ecosystems. People, businesses, cities, communities and public organizations should contribute to co‐creating value within society. Within digital business ecosystems cities, communities, governments' agencies, businesses, civil society and people interact directly by promoting new ways for sustainable and responsible development. © 2018 John Wiley & Sons, Ltd.

Aquatic ecosystems play a major role to ensure that water, which is both essential and scarce, is always available for both present and future generations. This has become even more urgent in light of the ongoing increase in total world population and predicted changes in the world climate. Since aquatic ecosystems have been and are being damaged at a rate far in excess of both natural restoration and anthropogenic restoration it is essential that both restorative processes be accelerated. However, ecological disequilibrium, evolutionary processes, and invasive species are likely to disrupt both processes. Most current debate focuses on water distribution but, since the heath of the aquatic ecosystem plays a major role in water quality and availability, it is argued that sustainable use of the planet requires that this attribute be given greater attention. The prospects for fully restoring damaged aquatic ecosystems to predisturbance conditions increasingly appear unlikely. Partial restoration now appears to be a more accurate description of the process, although full ecological restoration should always remain an aspiration. Adapted from the source document.