The extent of arctic sea ice is at the lowest seasonal minimum in the satellite record since 1979 according to the National Snow and Ice Data Center.
Summer 2012 significant temperature recordings and events from NOAA's "State of the Climate" page
The Colorado River system is over-allocated between seven states, tribes and Mexico. It is 58% full and likely to be drier not wetter in years to come. A case up for review by the Supreme Court may affect all compacts governing interstate water sharing. Potentially at issue: Is state compliance be voluntary?