Welcome to Urban Ecology

by Rachel Peterson Texas has witnessed an unusual pattern of development along its 2,000 mile border with Mexico. Colonias are unincorporated, "informal" rural subdivisions that usually lack water, wastewater service, and paved roads. There are an estimated 1,436 such...

Edited by Stephen Wheeler Although the Bay Area is moving away from sustainability in many ways -- in terms of automobile use, resource consumption, suburban sprawl, affordable housing and equity, for example -- it is making progress in other areas. Following...

by Enrique Gallardo Since the 1970s, groups of concerned citizens have mobilized in response to environmental degradation in their neighborhoods. The concept of environmental justice originally denoted a negative freedom: the right to live free of environmental harm....

by Randy Hester The waters of Tsengwen River and Chi Ku Lagoon along Taiwan’s southwest coast are the scene of a controversy that is increasingly familiar around the world. Taiwan’s President Lee Tung Hui and many land speculators support a 7000-acre development...

By Michelle Mascarenhas Over the past 30 years, supermarket chains in Los Angeles have closed older, less profitable urban stores to build bigger and more modern markets in the suburbs. This trend follows the out-migration of middle-class households from the city....

by Michael Rios The public spaces of Barrio Logan, a low-income Latino neighborhood in San Diego, proclaim a unique Mexican and Chicano culture. The neighborhood faces the San Diego Bay towards Coronado Island and is thirteen miles from the Tijuana border. Physically...

Kevin Crooks A century of intensive urban development has destroyed most of the native sage scrub and chaparral habitat in Southern California -- helping to create one of the world's largest epicenters of extinction. Indeed, San Diego has more threatened species of...

By Angela Moskow Urban agriculture is actively promoted in Havana, Cuba as a means of addressing the acute food scarcity problems of the "Special Period in Peacetime," which developed when Soviet aid and trade were drastically curtailed starting in 1989. During...

Santa Monica Sustainable Building Guidelines As part of its Sustainable City Program, adopted by the City Council in September 1994, Santa Monica is developing "Sustainable Building Development Guidelines" which may prove a useful model for other cities. A draft...