The research cooperation “ZINEG - The Low Energy Greenhouse” presents the first investigations of the research assignments in Berlin, Hanover and Schifferstadt: “closed greenhouse with utilization an overdue of solar energy”, “closed greenhouse with maximum thermal insulation, utilization of solar energy and integration programs for ornamental crops” and “the plastic greenhouse with maximum thermal insulation and neutral carbon dioxide heating”. Economic considerations and investigations to the acceptance and adoption of a systems like ZINEG in practice will be visualised from Humboldt Universität zu Berlin and the Center for Business Management in Horticulture, Hanover. The presentation is located on the Horticultural Info-Center in hall 1a (Green City), booth B-30, under the subject “Energy makes the future”. A second info point of ZINEG is located on the booth of INDEGA in Hall 3, booth A-64.