For three days, CCH – Congress Center Hamburg will be fully concentrating on climate changes issues, with their impact on flood protection, coastal defences and disaster response. acqua alta is once more the only international exhibition and conference event in 2011 that brings together experts from industry, academia and government at one table. This interdisciplinary exchange of views at the highest level gives participants a chance to take the wider view, moving towards new strategies and solution concepts for dealing with flooding as a consequence of climate change.