===== Water and growing urban centres – towards sustainability, better quality and resilience ===== Talk given on the occasion of world water day 2011 in Freiburg ({{:en:talks:wwd2011:wwt-11-einladung.pdf|Invitation (germ.)}}). ==== Background information ==== [[http://www.unwater.org/worldwaterday/|Website with Material for the WWD 2011]]. In a short water library [[http://www.wateryear2003.org/en/ev.php-URL_ID=4914&URL_DO=DO_TOPIC&URL_SECTION=201.html|documentation on the issue water & cities]] is provided by UNESCO and UN Habitat.