EPA's Report on the Environment
Interactive Maps
Interactive Maps
The table below identifies the ROE indicators that contain interactive maps. Follow the links in the “Exhibit” column to view each map in context. Users who want more detailed information about the underlying mapping services can follow the links in the ˜Geospatial metadata” column, which will bring you to EPA's Environmental Dataset Gateway.
Indicator | Exhibit | Coverage | Scale | Geospatial metadata |
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Acid Deposition |
Exhibit 1. Wet sulfate (SO42-) deposition in the contiguous U.S., 1989-1991 and 2011-2013 |
Contiguous 48 states |
Local-scale shaded grid |
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Exhibit 2. Wet nitrate (NO3-) deposition in the contiguous U.S., 1989-1991 and 2011-2013 |
Contiguous 48 states |
Local-scale shaded grid |
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Exhibit 3. Total sulfur deposition in the contiguous U.S., 1989-1991 and 2011-2013 |
Contiguous 48 states |
Individual clickable monitoring stations |
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Exhibit 4. Total nitrogen deposition in the contiguous U.S., 1989-1991 and 2011-2013 |
Contiguous 48 states |
Individual clickable monitoring stations |
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Acidity in Lakes and Streams |
Exhibit 2. Areas with acid-sensitive waters in the contiguous U.S. |
Contiguous 48 states |
Reference map with local-scale boundaries |
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Carbon Storage in Forests |
Exhibit 2. Forest biomass in U.S. counties per square mile of land, 2013 |
Contiguous 48 states, southern Alaska, Puerto Rico, U.S. Virgin Islands |
Clickable county-level data |
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Exhibit 3. Percent change in carbon stored in U.S. forests, by county, 1990-2013 |
Contiguous 48 states, southern Alaska, Puerto Rico, U.S. Virgin Islands |
Clickable county-level data |
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Ecological Connectivity |
Exhibit 1. Ecological hubs and corridors in the contiguous U.S., based on 2001 NLCD |
Contiguous 48 states |
Local-scale shaded grid (30-meter pixels) |
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Fish Faunal Intactness |
Contiguous 48 states |
Clickable watersheds (generally several watersheds per state) |
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Contiguous 48 states |
Clickable watersheds (generally several watersheds per state) |
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Hypoxia in Gulf of Mexico and Long Island Sound |
Offshore Louisiana and Texas |
Local-scale shaded boundary; individual clickable sampling sites |
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Exhibit 5. Dissolved oxygen in Long Island Sound bottom waters, August 4-6, 2014 |
Long Island Sound |
Local-scale shaded grid; individual clickable sampling sites |
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Land Cover |
Exhibit 1. Land cover of the contiguous U.S., based on 2011 NLCD |
Contiguous 48 states |
Local-scale shaded grid (30-meter pixels) |
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Radon: Homes Above EPA's Action Level |
50 states |
Clickable county-level data |
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Sea Level |
Exhibit 2. Changes in absolute sea level along U.S. coasts, 1993-2016 |
Global ocean |
Local-scale shaded grid (each pixel measures 0.25 degrees latitude by 0.25 degrees longitude) |
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Exhibit 3. Relative sea level change along U.S. coasts, 1960-2015 |
U.S. ocean coasts |
Individual clickable monitoring stations |
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Temperature and Precipitation |
Exhibit 4. Rate of temperature change in the U.S., 1901-2015 |
50 states |
Regional-scale shaded grid (each cell measures 2.5 degrees latitude by 3.5 degrees longitude) |
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Exhibit 8. Rate of precipitation change in the U.S., 1901-2015 |
50 states |
Regional-scale shaded grid (each cell measures 2.5 degrees latitude by 3.5 degrees longitude) |