Dear Ladies and Gentlemen, dear Friends, welcome to the EWG-ORD 2018 - Workshop on OR for Sustainable Development , Madrid, Spain - an associated event of EURO 2018 , Valencia, Spain. The deadline of abstract submission is coming close: April 1 . Please find closer information at eventos.ucm.es/go/ewg-ord2018. With best wishes, kind regards, Gerhard-Wilhelm Weber