Four saguaros up to 10 feet long lay prone last week near the base of a towering hill in Ironwood Forest National Monument near Tucson, the latest symbols of a problem and a dispute that won't go away.

Tempe-based First Solar Inc. announced it has sold a massive power plant under construction in California to a power company that is a subsidiary of Warren Buffett's Berkshire Hathaway Inc.

Tempe-based First Solar Inc. announced it has sold a massive power plant under construction in California to a power company that is a subsidiary of Warren Buffett's Berkshire Hathaway Inc.

Urban goat farming is part of a nationwide movement to eat food produced locally sometimes as locally as our backyards.

A look ahead to the key races in the Southwest in 2012

Opponents nationwide are waging a much more aggressive campaign to block Keystone XL than they mustered against the first project.

Aggressive water-saving initiatives pay off for Texas' second-largest city.