sustainable development baltic sea integrated management system environment sustainable urban and regional planning urban transport green growth urban planning europe waste water baltic states energy transport transportation local authorities water iwama sludge waste capacity development interreg umeå riga turku storm water smart city iwater baltic urban lab mobility eu strategry solutions smart energy smart houses public transport arendal tartu jelgave jekabpils Örebro triple-helix gdansk griefswald rakvere panevezys helsinki planning quality of life ims new bridges energy cities covenant of mayors climate integrated managemet isis method climate change partnership 2011 bulletin european union sus transportation and logistics municipality stakeholders
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