Landscape has been recognized as a major tool in the achievement of Environmental sustainability. The paper objective is bringing out the interrelationships between landscape design and sustainable development. It begins by looking at the theoretical and conceptual issues in landscaping, Sustainability and environmental impact design. It than goes on to assess Theintensityand scale of environmental impacts from landscape design. It Arguedthat landscape is a pre-requisite to environmental sustainability. Hence the paper asserted that unsustainable use of landscape elements Leads to environmental problems like biodiversity loss, climate change, Global warming, soil and coastal erosion, and pollution. The paper identifies the negative and positive impacts from landscape planning. Findings from the study show that the positive impacts outweigh the Negative impacts, by analyzing some successful global programs in unique Projects to quantify benefits and produce landscape performance through Environmental sustainability Than summarized some strategies for Applying in the practical frame work. The paper methodology is: 1- Theoretical approach: explaining the relationship between landscape, Environment and sustainability then analyzing chosen projects and Concludingstrategies for applying in the practical study. 2- Practical approach: analyzing the exiting case study of fayoum university Campus and applying strategies which environmental sustainability and Evaluating the outputs. Are derived from the theoretical study towards the paper concludes have Fundamental role to achieve environmental sustainability on the highest level.