Global Change Explorer

U.S. Environmental Protection Agency

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This collection of web tools provides access to data to help assess the vulnerability of air, water, ecosystems, and human health to climate change, land use change, and other large-scale environmental stressors. The data and tools are relevant across multiple scientific disciplines and environmental media, providing a foundation for integrated assessments of global change.


  • View scenarios of future human population, land use, and impervious surfaces
  • Visualize and download changes in streamflow, nutrient, and sediment loads under different climate change scenarios
  • Compare historical and future nitrogen and sulfur deposition maps to terrestrial and aquatic ecosystems

Additional Information