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Global Change Explorer (GCX)

EPA's Global Change Explorer (GCX) is a collection of web tools that visualize, compare, and provide access to spatial data that describe potential future environmental change. These data can serve as a starting point when assessing 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 in the Global Change Explorer are relevant across multiple scientific disciplines and environmental media, providing a foundation for integrated assessments of global change.

Land Use


Navigational icon for the CL MapperTool
Critical Loads Mapper (CL Mapper)


Navigational icon for the resilience mapping tool (LASSO)
Multisector Evaluation Tool for identifying Resilience Opportunities (METRO)


ClimateLocating and Selecting Scenarios Online (LASSO)