Climate policy

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Key policy issues

  • What global greenhouse gas emissions pathways would meet the well below 2 °C climate target?
  • What is the effect of effort-sharing approaches on regional and national emission reduction targets and on the cost of climate policies?
  • What is the effect of the NDCs on achieving the long term 2 ºC target?
  • What are the trade-offs between mitigation costs, adaptation costs, and climate change damage?

Introduction