Blue space
Blue space (also referred to as blue infrastructure) in urban planning and design comprises all the areas dominated by surface waterbodies or watercourses. In conjunction with greenspace (parks, gardens, etc. specifically: urban open space), it may help in reducing the risks of heat-related illness from high urban temperatures (urban heat island).
Substantial urban waterbodies naturally exist as integral features of the geography of many cities because of their historical geopolitical significance, i.e. the River Thames in London.

Accessible blue spaces can help revitalizing neighborhoods and promote increased social connectedness as seen on waterfront renovation projects like the Chattanooga Waterfront (Chattanooga, Tennessee), the CityDeck in Green Bay, Wisconsin, or the Brooklyn Bridge Park in New York City, further enhanced by waterfront festivals such as the Christmas lights in Medellin, in Colombia. Design guidelines promoting healthy buildings -such as, WELL -managed by The International WELL Building Institute™ (IWBI™), or Fitwel -developed and managed by The Center for Active Design (CfAD), recommend incorporating including and water features as a strategy to improve the health and wellness of the building occupants, and "the 9 foundations of a Healthy Building" -developed at Harvard T.H. Chan School of Public Health-, also recommends indoor access to nature views or nature-inspired elements.

Because neighborhoods with access to attractive natural features are susceptible of gentrification, the social benefits associated with waterbodies can be unequally distributed, with Environmental Justice areas lacking access to good quality blue spaces. 
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urban planning
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design
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waterbodies
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watercourse
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greenspace
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park
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garden
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urban open space
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urban heat island
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River Thames
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Chattanooga, Tennessee
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CityDeck
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Brooklyn Bridge Park
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Christmas lights in Medellin
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healthy buildings
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gentrification
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Environmental Justice
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Blue space
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