World Wide Fund for Nature, Rumänien

World Wide Fund for Nature

Bundesverband der Deutschen Industrie

Bundesverband der Deutschen Industrie

Deutscher Verein des Gas- und Wasserfaches

Deutscher Verein des Gas- und Wasserfaches

Water Integrity Network

Water Integrity Network

Bayerischer Unternehmensverband Metall und Elektro

American Council on Germany

American Council on Germany

Permanent European conference for the study of the rural landscape

Permanent European conference for the study of the rural landscape

Compass

Compass

International Water Association

International Water Association

Local Governments for Sustainability

Local Governments for Sustainability

Instituto Brasileiro de Defesa do Consumidor

Instituto Brasileiro de Defesa do Consumidor

U.S. Green Building Council

U.S. Green Building Council

Centre for Transport and Energy

Centrum pro dopravu a energetiku

Dansk Vand- og Spildevandsforening

Dansk Vand- og Spildevandsforening

Solidarity Water Europe

Solidarité Eau Europe