Environment
Latest Stories

c5b79fe2f1ebd50d500f6a7067002e38.jpg
This March 21, 2014 photo shows Chris Talbott standing with a pile of tumbleweed in front of his home in Colorado Springs, Colo. Parts of Colorado are being overrun with tumbleweeds because of the drought affecting much of the western U.S. (AP Photo/P Solomon Banda)

014919c2f1ecd50d500f6a7067003ae5.jpg
This March 21, 2014 photo shows Chris Talbott walking down his driveway with a pile of tumbleweed in front of his home in Colorado Springs, Colo. Parts of Colorado are being overrun with tumbleweeds because of the drought affecting much of the western U.S. (AP Photo/P Solomon Banda)

c2a59cc3f1ecd50d500f6a7067006a23.jpg
This November 14, 2013, photo shows tumbleweed covering the entire roadway on County Road-V near Ordway, Colo. Parts of Colorado are being overrun with tumbleweeds because of the drought affecting much of the western U.S. Crowley County, high plains country of ranching and farming east of Pueblo, has spent $108,000 since November _ more than a third of its annual budget _ clearing roads and bridges of tumbleweed to make sure residents and emergency vehicles can move.(AP Photo/Crowley County)

fcd9690af1ecd50d500f6a70670087c3.jpg
This November 14, 2013, photo shows a snowplow clearing tumbleweed from the roadway on County Road-V near Ordway, Colo. Parts of Colorado are being overrun with tumbleweeds because of the drought affecting much of the western U.S. Crowley County, high plains country of ranching and farming east of Pueblo, has spent $108,000 since November _ more than a third of its annual budget _ clearing roads and bridges of tumbleweed to make sure residents and emergency vehicles can move.(AP Photo/Crowley County)

e98e6091f244d60d500f6a7067007e03.jpg
Royal Australian Navy commodore Peter Leavy speaks during a press conference about the ongoing search operations for missing Malaysia Airlines Flight 370 in Perth, Australia, Wednesday, April 9, 2014. A ship searching for the missing Malaysian jet has detected two more underwater signals that may be emanating from the aircraft's black boxes, and Angus Houston, the head of a joint agency coordinating the search for the missing plane in the southern Indian Ocean, expressed hope Wednesday that the plane's wreckage will soon be found. (AP Photo/Rob Griffith)

6bfe0645f248d60d500f6a706700ef48.jpg
The chief coordinator of the Joint Agency Coordination Center Retired Australian Air Chief Marshal Angus Houston gestures as he speaks at a press conference about the ongoing search operations for missing Malaysia Airlines Flight 370 in Perth, Australia, Wednesday, April 9, 2014. Houston said a ship searching for the missing Malaysian jet has detected two more underwater signals that may be emanating from the aircraft's black boxes, and expressed hope Wednesday that the plane's wreckage will soon be found. (AP Photo/Rob Griffith)