Exploring Air Quality in Aura NO2 Data
DATA: NASA Aura nitrogen dioxide data. TOOL: Google Earth. SUMMARY: Learn about photochemical smog. Explore the relationships among human population density, nitrogen dioxide concentrations, and geography.

Exploring Monsoon Precipitation and Streamflow in a Semi-Arid Watershed
DATA: Precipitation, streamflow, and topographic data TOOLS: Google Earth & My World GIS SUMMARY: Explore a semi-arid watershed in Arizona. Investigate the effect of summer thunderstorms on streamflow.