Over 100 environmental variables are available using NOAA View, using data from the National Oceanic and Atmospheric Administration's vast archives of satellites, climate models, and other observation devices.
Interested in how much things cost in other parts of the world? Use the Cost of Living Comparison tool to find out.
This site shows the world population through generational history and displays information about specific locations. Overlays help illustrate different aspects of the changing dynamics of the earth's population over time.