ask.openLCA ( is a question-and-answer (Q&A) website on Life Cycle Assessment and also the official support platform for openLCA, openLCA nexus and the openLCA Collaboration Server. With ask.openLCA we are building a public knowledge platform that benefits all LCA practitioners. We encourage our users to use ask.openLCA for non-confidential support requests. Don’t stop contacting us via email for confidential support requests:

Andreas Ciroth

Andreas Ciroth

Managing Director and Founder

Phone: +49 30 4849 6031









GreenDelta GmbH
Kaiserdamm 13
14057 Berlin

Phone: +49 30 4849 6030
Fax: +49 30 4849 6991