One of the major objectives of Dutch Agricultural Ministry is the reduction of ammonia emissions. As a mean to achieve this objective, the Green Label Foundation was established by the farmers and government in order to develop low emission housing systems and promote emission reduction. Green Labels are issued from the Foundation to farmers that invest or wish to invest in low emission housing. An other role of the Foundation is to inform farmers of the emission factor allowed per animal categories and the available housing systems that can keep the emission lower than that factor. As announced in the Minister’s 1995 Policy Intention, new measures to reduce the ammonia emissions will be introduced in 1998 under the 1998 General Administrative Order. The farmers that have obtained a Green Label won’t have to take further ammonia reduction measures for the first fifteen years. The publication present the Green Label and also a survey of low emission housing systems.