The GNE (Association for Sustainable Development) mbH is an education company offering consultation and training, situated in Witzenhausen. It unites a pool of consultants and speakers, who frequently speak at training seminars, project meetings and other events. The GNE is a registered non- profit organisation.

Professional training in the area of environmental technology:

• Advanced training programme 'Coordinator in International Project Management'
• Training and advanced training of professionals and multipliers; international consultation in agro- economy and environmental technology;
• Advanced training 'Expert for Management of Envirionment and Ressources';
• Seminars on topics related to 'Water Management' and 'Organic Waste Water Treatment', 'Renewable Energy', 'Biomass', 'Regenerative Energy', 'Biomass', 'Regenerative Raw Materials';
• Workshops on building solar plants 'Solar Project';
• Week- long seminars for professionals and multipliers, focusing on renewable energy and regenerative raw materials