d  |- Policies and measures that are needed to ensure a sustainable development are being implemented in Turkey for a long time. In recent years, as climate change became more and more noticeable, matters related to energy, economy and ecology are started to be handled together. This is called the 3E (Energy- Economy-Ecology) theory that is defined as the most crucial development cri- terion of the 21st century. In this regard, Turkey's main policies and measures focus on sectors such as energy, industry, transportation, agriculture, waste and forestry. In a world that is technologically and economically developed, new economy and development concepts which are environment-friendly are developed. In this respect, minimizing the pressure on the nature and on use of natural resources, keeping energy and water use at minimum levels throughout the productionconsumption chain and supporting the energy market through incen- tives on the use of new and environment-friendly sources of energy is the basis of the new development model for Turkey Additionally, there are other things that we can do for competition and development. They are, hybrid cars, low fuel consuming and low emitting technologies, eco-buildings and eco-towns, and protection and improvement of forests; preparing a new administration structure that stands on transparency, accountability and participation; orient- ing subsidies and financial arrangements on eco-friendly research and develop- ment efforts and technologies have key roles in the environment of develop- ment.