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Earth System Science

Earth System Science focuses on the atmosphere, land and oceans - how they interact as a system - and how the Earth will change over a human lifetime. Global change is projected to accelerate through the 21st century and will impact world ecosystems.

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Online resources for maps, images, and placenames.

Online resources for maps, images, and placenames.

Country and State Facts

Image Search Engines

Purchasing Maps

Street and City Maps

Sources for online mapping for street locations and directions.

Sites for Historical Place Names

Mapping Mashups - Combining Data with Maps