How have cities grown over time? Answers to this important question are provided in visual form via the Lincoln Land Institute's Atlas of Urban Expansion. This resource "provides the geographic and quantitative dimensions of urban expansion and its key attributes in cities the world over." Visitors to the site should start their own exploration by looking at "Making Room for a Planet of Cities," a...

Based in New York, the people behind the Green Atlas have been going "green" since 1995. The Green Map system is an "adaptable framework for charting nature and culture in hometown environments." Recently, they published the Green Map Atlas, and now visitors can access the entire publication on this site. The Atlas includes maps of Jakarta, Kyoto, New York, Milwaukee, Toronto, and six other areas...