Green Skies - www.greenskies.org

Aviation Environment Federation - www.aef.org.uk

Transport&Environment - www.t-e.nu

HACAN ClearSkies - www.hacan.org.uk

TRANSform Scotland the campaign for sustainable transport - www.transormscotland.org.uk

VCO Verkehrsclub Osterreich - www.vcoe.at

Aviation and Environment Trust - http://www.aet.org.uk/aboutaet/aboutus.htm