Eklipse website containing resources on impacts of green and blue space on mental health. Type of request: Knowledge Synthesis For several years, papers have been published about the positive impact of greenness on health, including some synthesis and systematic reviews. Yet, none of them has so far addressed the question of the type of habitats and components of such habitats that have a significant (and preferably positive) effect on mental health and psychological well-being. This is important in order to provide recommendations to designers and managers of green and blue space in and around cities. The aim of this request is to provide recommendations regarding the design, management and creation of natural spaces in urban or suburban areas in order to promote the mental health of urban inhabitants. Reference: Request CfR.1/2016/2 Requester: Expert Working Group Biodiversity & Health, French Ministry of Ecological Transition (MTES) and the World Health Organization (WHO).