Heat Island Effect

The Heat Island Effect is the elevation of the temperature around cities by up to 10°F, as compared to neighboring rural areas. These cities are then referred to as urban heat islands.

From 1998 until 2003, the EPA created the Urban Heat Island Pilot Project to help work on heat reduction techniques for cities. The pilot project focused on Baton Rouge, Chicago, Houston, Sacramento and Salt Lake City. The project’s recommendations are included on the site.


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