Communities and nations of the 21st century face a great challenge: to protect people from the harm caused by an increasingly volatile climate.
The damaging impacts of climate change will grow as the climate changes and adaptation fails to keep pace, unless societies take steps to increase their resilience through aggressive action on both climate mitigation and adaptation.
This report focuses on adaptation, where choosing among possible actions is often not straightforward or intuitive, and highlights 15 principles for decision makers to use to prioritize investments in climate change adaptation.