Related: Environment

1. More environment
   1. Fracking boom triggers water battle in North Dakota
   2. Buggy hordes of cicadas sighted in Virginia
   3. Melting glaciers contribute to rising ocean levels
   4. Food supply under assault as climate heats up
   5. Crocodile's suspicious death sparks $6,000 reward
2. More U.S. news
   1. Crews comb Okla. rubble for survivors, victims
   2. Tales from the tornado: Survivors speak
   3. Trapped students had nowhere to hide from tornado
   4. More 'devastating' tornadoes possible Tuesday
   5. KFC cook records dramatic footage of monster storm
3. Related videos
   1. 
      Video
      Massive tornado hits Moore, Ok.
   2. 
      Video
      Parade permits allow radioactive waste moves
   3. 
      Video
      Superstorm Sandy victims encouraged to sell homes
   4. 
      Video
      Melting glaciers contribute to rising ocean levels