census
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GRID3 Project Aims to Put Everyone on the Map
Detailed population data from the project is helping to protect against disease and plan for new schools in low- and middle-income countries. It may also enhance food security and disaster response.
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Tools of the Trade: Data Sets are Tools, Too
This installment takes you into the world of population modeling at CIESIN, where data rules supreme.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.