This research aims to focus on study the green economy as one of the main mechanisms to achieve environmental sustainable development for many important reasons: 1-   Lake of scientific information about green economy due to recent concept 2-   Attenuation of the economic value of natural resources. 3-   Degradation of natural resources due to high rates of pollution. 4-   Impact of climate change (global warming and sea level rise). 5-   Reduction of GDP per person. 6-   Mainstreaming the concept of green economy and sustainable development with in different environmental sector. 7-   Enhance the institutional and legislation framework for sustainable development. These targets could be achieved by: 1-   Study the success stories for green economy in different environmental sectors concentrating o ((Adaptation of climate change, green environmental tourism as well as green energy)). 2-   Suggested legislative and regulatory effectively frameworks to implant green economy activities and overcome the obstacles facing green investment. 3-   A national suggested strategy for green economy with in different environmental sectors.