| Encourage and incentivize the use of pervious landscaped surfaces in new and existing development. Pervious, or permeable, surfaces help manage stormwater on-site and absorb less heat than impervious |
DroughtExtreme HeatFlooding – General |
Urban Landscape and Tree CanopyProperty |
Southwest |
Statewide Summary Report: California's Fourth Climate Change Assessment |
| Require and incentivize pervious materials in new construction/maintenance to ensure aquifers are restored during rain events, as opposed to generating runoff due to hard stormwater infrastructure. |
Drought |
Property |
Southeast |
Triangle Region, NC Regional Resilience Assessment (p. 210 (pdf p. 222)) |
| Set a limit on the percent of impervious surface — area covered by impenetrable materials such as asphalt, concrete and rooftops — allowed on new construction and redevelopment on residential, commercial |
Extreme HeatFlooding – GeneralFlooding – Rainfall-induced |
Urban Landscape and Tree CanopyProperty |
Southeast |
Planning for Climate Resilience—City of Asheville, North Carolina (p. 116) |
| Encourage the use of vegetation and pervious surfaces in urban landscaping requirements. |
Flooding – General |
Multiple or All Assets |
Northeast |
City of Baltimore Disaster Preparedness and Planning Project (p. 155) |
| Establish policies for building rehabilitation programs that limit the percentage of impervious surface — areas covered by impenetrable materials such as asphalt, concrete and rooftops — within developed |
Flooding – General |
Property |
National |
HUD Community Resilience Toolkit (p. 15) |
| Provide incentives (density bonuses, permitting fees, faster review process, etc.) to developers to reduce impervious surfaces beyond riparian buffer rules and leave riparian areas in place. |
Flooding – GeneralFlooding – Rainfall-induced |
PropertyWater Infrastructure – Stormwater |
Southeast |
Triangle Region, NC Regional Resilience Assessment (p. 207 (pdf p. 219)) |
| Limit/control amount of impervious surfaces Max. infiltration (look at zoning regulation if can't add to stormwater ordinance) |
Flooding – Rainfall-induced |
Water Infrastructure – Stormwater |
Southeast |
Planning for Climate Resilience—City of Asheville, North Carolina (p. 115) |
| Zoning regulations become more restrictive (impervious areas) |
Flooding – Rainfall-induced |
Property |
Southeast |
Planning for Climate Resilience—City of Asheville, North Carolina (p. 116) |
| Create metrics for all new development that emphasize resilience through open and green space. |
Multiple or All Hazards |
Natural Areas and WildlifeProperty |
Midwest |
Cleveland Climate Action Plan |