Related: World 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 world news
   1. UN: Syria government, rebels prep for peace talks
   2. Egypt's 'rebels' gather millions of signatures
   3. Inquiry: 'No evidence' boy in photo was killed by IDF
   4. Oscar Pistorius' brother cleared of road crash death
   5. Israel, Syria clash on Golan Heights cease-fire line
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      Melting glaciers contribute to rising ocean levels