The North American Node of UNEP GRID, located at the USGS EROS Data Center,
is in the forefront of applying information technology tools such as remote
sensing, Geographic Information Systems (GIS) and web
mapping to address the relationships between the environment and human populations. Utilizing the expert
knowledge of staff and visiting scientists, the information created with these tools
provide policy-makers a scientific basis for making decisions.
UNEP Atlas
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The fourth GEO assessment is a comprehensive and authoritative UN report on environment,
development and human well-being for decision making.