A B S T R A C TCity planners, urban innovators and researchers are increasingly working on 'future city' initiatives to investigate the physical, social and political aspects of harmonized urban living. Despite this, sustainability principles and the importance of urban groundwater are lacking in future city visions. Using London as a case study, the importance of groundwater for cities is highlighted and a range of future city interventions may impact on groundwater are reviewed. Using data from water resource plans and city planning strategies, changes in the groundwater balance which may occur as a result of city interventions are calculated for two future city scenarios: a 'strategic' future informed by organisational policy and an 'aspirational' future guided by sustainability principles. For London, under a strategic future, preferential investment in industry-scale technologies such as wastewater treatment and groundwater storage would occur. Acknowledgement that behaviour change offers the potential for a faster rate of transformation than innovation technologies is ignored. The capacity of community-led action and smart-home technologies to deliver sustainable water use under an aspirational future is evident, with a measurable impact on urban groundwater. These methods may be used to inform city interventions that consider the social context in addition to environmental constraints and business drivers.
This commentary from the Journal Editorial Board sets out the research agenda for the journal and invites contributions. We want to elicit and synthesize research- and practice-based knowledge toward the goal of resilient, equitable cities in a world with less than 1.5°C of warming, focusing on the transformational change needed to achieve this goal. Within this focus, we set out two primary areas that are pivotal to demonstrate the economic and political strategies necessary to stop climate breakdown: ecologically and socially viable and just economic systems; and purposeful, progressive, and inclusive government and governance. We set out key principles of transformational change and invite a plurality of conceptualizations, particularly emphasizing the need and potential of drawing on emerging thinking at regional, national, and international levels and applying it to city-scale. We outline the need for action-oriented, policy-relevant research in collaboration with city actors, tackling priority challenges in real-time, as well as an openness to new knowledge, perspectives, and contributors. We aim to catalyze and realize the opportunity to combine collective city action with academic (re-)thinking and research activism, in order to empower mayors with the evidence and narrative to create sustainable, thriving cities.
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