The purpose of the organization is 1 the advancement of education for the public benefit in particular but not exclusively in relation to energy conservation the efficient use of energy and the utilisation of renewable sources of energy; 2 the promotion, conservation enhancement and improvement of the environment and the encouragement of understanding and awareness of the importance of sustainable development in particular but not exclusively in the marches area of england and wales; and 3 the relief of poverty and the preservation and protection of health by promoting the efficient use of energy ( including energy for heating purposes) And utilisation of renewable sources of energy.