New Orleans pursues urban heat island reduction through tree canopy expansion, cool roof guidance, and green infrastructure under the Climate Action Plan, addressing one of the fastest-warming US cities according to recent climate studies.
New Orleans ranks among the most intense urban heat islands in the country, with summertime temperatures often 8-10 degrees hotter in paved neighborhoods than in tree-shaded areas. The Climate Action Plan and Master Plan recognize heat as a public health threat, particularly for low-income residents without reliable air conditioning. The City's Hazard Mitigation Plan identifies extreme heat as a priority risk. Programs include the Reforestation Plan to expand tree canopy from roughly 18% toward a 50% goal, cool roof rebates piloted by partner organizations, and stormwater green infrastructure that doubles as cooling. Most measures are voluntary or incentive-based.
Heat island goals do not impose direct penalties on property owners. Tree removal, parking lot landscaping, and roofing color choices are governed by separate code sections that may carry their own fines.
See how New Orleans's heat island mitigation rules stack up against other locations.
Help us keep this page accurate. If you notice an error or outdated information, let us know.