Παγκόσμια περιβαλλοντικά συνέδρια www.athens2014.biowaste.gr www.wmsym.org/ www.watermeetsmoney.com/ www.sardiniasymposium.it/ www.sardiniasymposium.it/ ewricongress.org/ wrc.umn.edu/waterconf/ www.ewra2015istanbul.org/ cest.gnest.org/ www.ashrae.org/membership--conferences/conferences/2015-international-conference-on-energy-and-environment-in-ships www.wessex.ac.uk/sdp2015 iaast.org/2015/05/21/50 www.icsea.org/ www.eurasiasymposium.com www.wessex.ac.uk/16-conferences/waste-management-2016.html www.wessex.ac.uk/16-conferences/air-pollution-2016.html
