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The Nexus in the rural-urban space


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Presented by Claudia Ringler of IFPRI at a conference titled "Addressing Resilience through the Nexus of Water-Food-Energy – Cities as SDG Laboratories," which was organized by the Stakeholder Forum for a Sustainable Future and the International Science Council and the UNC Water Institute in New York in July of 2018.

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The Nexus in the rural-urban space

  1. 1. Claudia Ringler, IFPRI Addressing Resilience through the Nexus: Cities as laboratories New York– July 17, 2018 The Nexus in the rural-urban space
  2. 2. Ethiopia: Reducing tradeoffs between cow dung use for domestic energy security versus food security Source: Mekonnen et al. 2017) Image: ILRI flickr
  3. 3. Ghana: Closing the Nutrient Loop a circular economy ▪ Close the nutrient loop, displace chemical fertilizers, reduce pollution as well as GHG emissions. Contact: Pay Drechsel, IWMI (
  4. 4. Punjab/Pakistan: Doubling of Tubewells (1995-2009) expected to lead to salinization of Lahore’s water supply Source: PDS (data for 2008/09), see also Mekonnen et al (2016)
  5. 5. The opportunity • India has 130,000 GW of installed pumping capacity in the form of electric and diesel tube wells • Sustainable solar irrigation pumps with feed-in tariff for selling excess electricity to the grid Triple wins • Reduction in greenhouse gas emissions • Sustainable use of groundwater • Higher incomes for farmers India: smart solar irrigation The result • Launch of the world’s first Solar Pump Irrigation Cooperative (SPICE)
  6. 6. What’s Next? Tackling Delhi’s Air Pollution Image – Rajesh Pamnani via Flickr
  7. 7. What Next? Tackling Delhi’s Air PollutionThrough alternatives to burning crop residues
  8. 8. Jennifer Burney, and V. Ramanathan PNAS 2014;111:46:16319-16324 ©2014 by National Academy of Sciences …AND closing down coal plants, plus removing and old diesel engines from urban circulation
  9. 9. How to move this forward? ALIGNED AGENDAS CLEAR SOLUTIONS ALIGNED METHODS Champion the removal of structural barriers to cross-sector action Synthesize existing evidence and conduct rigorous case studies across sectors Align methods for assessment of costs and benefits Source: