United States
Country overviewCountry
Environmental overview
A large and climatically diverse country exposed to hurricanes, wildfire, drought, heat and coastal flooding.
- Issues
- 6
- Categories
- 4
- Sources
- 15
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Major issues
What is changing across the country.
OceansClimateAirWater
Severity is descriptive editorial metadata summarising documented effects. It is not a measured index or a score.
- 01OceansSeverity: CriticalMiamiSea level rise and tidal flooding in MiamiRising seas cause recurrent sunny-day flooding and threaten freshwater supplies.4 causes · 4 impacts · 4 solutions · 3 sources
- 02ClimateSeverity: CriticalLos AngelesWildfire risk in Los AngelesDry vegetation, strong winds and homes built into fire-prone landscapes create severe wildfire risk.4 causes · 4 impacts · 4 solutions · 2 sources
- 03ClimateSeverity: CriticalPhoenixExtreme heat in PhoenixPhoenix experiences some of the most dangerous heat of any large US city, with heat-related deaths tracked closely by the county.3 causes · 3 impacts · 3 solutions · 3 sources
- 04ClimateSeverity: HighMiamiHurricane and storm surge exposure in MiamiDense coastal development concentrates people and assets in the path of tropical cyclones.3 causes · 3 impacts · 3 solutions · 2 sources
- 05AirSeverity: HighLos AngelesSmog in the Los Angeles basinDecades of regulation have greatly improved air quality, but the region still records some of the highest ozone levels in the United States.3 causes · 2 impacts · 3 solutions · 3 sources
- 06WaterSeverity: HighPhoenixColorado River supply and groundwater in PhoenixLong-term drought on the Colorado River has led to cuts in Arizona's allocation, increasing focus on groundwater and conservation.3 causes · 2 impacts · 3 solutions · 2 sources
Within United States
Places to explore
- CityMiamiA low-elevation coastal city on porous limestone, exposed to sea level rise, tidal flooding, hurricanes and saltwater intrusion into freshwater supplies.
- CityLos AngelesA sprawling Southern California region with a long history of smog control, exposed to wildfire, drought and dependence on imported water.
- CityPhoenixA fast-growing desert metropolis in the Sonoran Desert, facing dangerous extreme heat and long-term uncertainty over Colorado River supply.