Disaster_Accident

Tour Bus Crash_Lea.jpg

Investigators work early on Monday, Feb. 4, 2013, at the scene of an accident in which at least eight people were killed and 38 people were injured Sunday after a tour bus carrying Mexican tourists careened out of control while traveling down a mountain road, struck a car, flipped and plowed into a pickup truck near Yucaipa, Calif. (AP Photo/Ringo H.W. Chiu)

Amber Alerts Cell Pho_Live.jpg

**FILE** An Amber Alert app is seen on the cell phone of Capt. Greg Gerrero of the California Highway Patrol in Sacramento, Calif., on Jan. 31, 2013. A new national Amber Alert system will automatically send alerts to millions of cell phones when an alert is issued in their area. The alerts are automatically active on most new phones and users will have to opt out if they do not wish to receive them. (Associated Press)

APTOPIX Mexico PEMEX _Live.jpg

Firefighters belonging to the Tacubaya sector and workers dig for survivors after an explosion on Jan. 31, 2013, in Mexico City at an adjacent building to the executive tower of Mexico's state-owned oil company PEMEX. (Associated PRess)

Detroit car crash.jpg

Emergency personnel respond at the scene of one of a mile-long series of crashes along Interstate 75 near the Springwells exit on the southwest side of Detroit Thursday, Jan. 31. At least three people are dead, including two children, and 20 more were injured in the pileups. (Associated Press)

Severe Weather Georgi_Lea.jpg

A tornado moves through Adairsville, Ga., on Wednesday, Jan 30, 2013. The accompanying storm has left overturned vehicles on Interstate 75 northwest of Atlanta, an official said, and crews are responding to reports of people trapped in storm-damaged residential and commercial buildings. (AP Photo/WSB-TV)

SHOOTING.jpg

This frame grab provided by abc15.com shows the scene at a Phoenix office complex where police say someone shot at least three people on Wednesday, Jan. 30, 2013. Officer James Holmes said the victims were taken to hospitals and did not know if their injuries were life threatening. (AP Photo/abc15.com)

dogs_20110324_8730

Luna, a beagle, is tied to a tree near her makeshift house at an evacuee center, Thursday, March 24, 2011, in Fukushima, Fukushima prefecture, Japan. Japan, famous for drilling its citizens on how to prepare for all manner of natural disasters, has done far less to prepare those who live near its many nuclear reactors for emergencies. (AP Photo/Wally Santana)

China Pollution_Live.jpg

A child laughs as she passes by a smog-shrouded residential district in Beijing on Jan. 29, 2013. Extremely high pollution levels shrouded eastern China for the second time in about two weeks, forcing airlines in Beijing and elsewhere to cancel flights because of poor visibility and prompting government warnings for residents to stay indoors. (Associated Press)