Data Catalog

• Federal

  Smart Location Database

  U.S. Environmental Protection Agency —

  A large body of research has demonstrated that land use and urban form can have a significant effect on transportation outcomes. People who live and/or work in...

  • ZIP
  • WMS
  • HTML
  • HTML
  • CSV
• Federal

  U.S. Level III and IV Ecoregions (U.S. EPA)

  U.S. Environmental Protection Agency —

  This map service displays Level III and Level IV Ecoregions of the United States and was created from ecoregion data obtained from the U.S. Environmental Protection...

  • HTML
  • Esri REST
  • HTML
  • Esri REST
  • WMS
  • Esri REST
  • 1 more in dataset
• Federal

  Change in Summer Surface Water Temperatures of North American Lakes, 1985-2009

  U.S. Environmental Protection Agency —

  This map shows the total change in the average July–September surface water temperatures in 34 North American lakes from 1985 to 2009, as measured by satellites. Red...

  • WMS
• Federal

  Change in Ragweed Pollen Season, 1995-2015

  U.S. Environmental Protection Agency —

  This figure shows how the length of ragweed pollen season changed at 11 locations in the central United States and Canada between 1995 and 2015. Data were provided by...

  • WMS
  • HTML

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