Charles Siegel

The city council of Hercules, CA, votes unanimously to use eminent domain to take Wal-Mart's land and stop it from building a store.

Hercules, California, known for a recent New Urbanist development, may stop a proposed Wal-Mart by using eminent domain to take its land. This would be the first time that a city took land from Wal-Mart.

The National Park Service has signed a contract to run two hybrid solar and wind powered ferries to carry visitors to Alcatraz.

Global warming has already reduced the movement of heat and moisture across the tropical Pacific Ocean by 3.5 percent. Potential effects on world climate are unpredictable.

A new study shows that there is no discrepancy between warming rates on the earth's surface and in the upper atmosphere, resolving an uncertainty about global warming.