Governments should complement the private sector contribution to adaptation to ensure that adaptation is funded up to the socially desirable level. This can be achieved by setting policies and putting in place an appropriate regulatory framework to help markets stimulate adaptation. When analysing risks, priority should be given to those extreme or high risks which are most likely to occur. When treating the risks, 'win-win' or 'no-regrets' treatment options should be pursued (see chapter 7),