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(Location: IWMI HQ Call no: e-copy only Record No: H050588)
(0.20 MB) (200 KB)
The current challenges that society faces call for actions fostering climate change adaptation and long-term sustainability grounded in effective policies. Consequently, to raise environmental resilience and sustain human wellbeing, we need to overhaul the policy-making process towards a ‘holistic approach’. The nexus approach has proven a valuable tool for identifying gaps and incoherencies in current policies, for understanding major interlinkages across sectors and scales, and for promoting the Sustainable Development Goals (SDGs). Nevertheless, a ‘silo approach’ to decision making currently prevails, thus achieving cross-sectoral and cross-scale harmonization still remains a challenge in policy-making. In response to this challenge, the next step in the science–policy–practice interface is to integrate the nexus approach in the ‘climate services’ arena, in order to support integrated policies. Climate services embody a bridge between researchers and stakeholders, and by supporting integrated policies they will ensure synergies between sectors and scales, reduce potential trade-offs, and enable co-benefits.
2 Cremades, R.; Sanchez-Plaza, A.; Hewitt, R. J.; Mitter, H.; Baggio, J. A.; Olazabal, M.; Broekman, A.; Kropf, B.; Tudose, N. C. 2021. Guiding cities under increased droughts: the limits to sustainable urban futures. Ecological Economics, 189:107140. (Online first) [doi: https://doi.org/10.1016/j.ecolecon.2021.107140]
(Location: IWMI HQ Call no: e-copy only Record No: H050598)
(1.91 MB) (1.91 MB)
Climate change is likely to increase droughts. The vulnerability of cities to droughts is increasing worldwide. Policy responses from cities to droughts lack consideration of long-term climatic and socio-economic scenarios, and focus on short-term emergency actions that disregard sustainability in the connected regional and river basin systems. We aim to explore the dynamics of the water-energy-land nexus in urban systems suffering increased climate change-related droughts, and their implications for sustainability. We complement a case study with a literature review providing cross-regional insights, and detail pervasive knowledge, policy and ambition gaps in the interaction between cities and droughts. We show that water availability with low emissions, without compromising ecosystems and with low costs to society, poses a local-scale limit to sustainable urban growth, a new concept delineating the limits to growth in cities. We conclude that urban and river basin planners need to institutionalize transparency and cross-sectoral integration in multi-sector partnerships, to consider long-term land use planning together with water and energy, and to apply integrated climate services to cities. Our study reveals the importance of including land, water and energy in long-term urban planning, and to connect them with the county, region, river basin and global scales.
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