Why transnational cooperation
The impacts of climate change do not stop at national borders or city limits. On EU level as well as national level some urban networks exist to promote mitigation strategies by focussing on greenhouse gas emission reduction in general or the role of traffic in particular.
Mitigation is important, but not sufficient. It will be impossible to reduce the effects quick enough to avoid dangerous or negative effects on people's life, economy and ecology. It is obvious that beside mitigation especially adaptation is necessary, as agreed in science, but difficult to realise in practice. This calls for a coordinated action and for transnational cooperation. Responsible organisations have to bring together all experiences and jointly promote and implement measures. Awareness and acceptance has to be raised as a joint action.
However, with regard to adaptation mostly singular sector actions are being developed since adaptation to climate change is just starting to get into the focus. Given the time pressure to act and the distinct importance of proactive respond the efforts of all cities affected must be merged in a coordinated way in order to be able to act adequately. Viable adaptation measures must be developed to allow for comprehensive and fast actions.