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Impact of population growth and population ethics on climate change mitigation policy

  1. Fabian Wagnera,i,j
  1. aWoodrow Wilson School, Princeton University, Princeton, NJ 08544;
  2. bDepartment of Philosophy, University of Vermont, Burlington, VT 05405;
  3. cYale–NUS College, Singapore 138527;
  4. dCenter for Human Values, Princeton University, Princeton, NJ 08544;
  5. eInternational Research Institute for Climate and Society, Columbia University, Palisades, NY 10964;
  6. fDepartment of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544;
  7. gDepartment of Economics, University of Texas at Austin, Austin, TX 78712;
  8. hEconomics and Planning Unit, Indian Statistical Institute, Delhi, India, 110016;
  9. iAndlinger Center for Energy and the Environment, Princeton University, Princeton, NJ 08544;
  10. jInternational Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria A-2361
  1. Edited by William C. Clark, Harvard University, Cambridge, MA, and approved September 26, 2017 (received for review November 4, 2016)

  1. Fig. 2.

    Mitigation cost savings from moving from the UN-medium to the UN-low population path, under TU and AU social objectives, given 2 °C and 3 °C temperature targets. Cost savings stop when full abatement is reached in both population scenarios.

Online Impact

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