• A flock of Geese fly past the smokestacks at the Jeffrey Energy Center coal power plant as the suns sets near Emmett, Kansas on December 2, 2012.

    Carbon dioxide was measured at 400 parts per million at the oldest monitoring station in Hawaii.

    LAST UPDATE : May 10, 2013, 5:09 PM EDT
  • Farmer Tom Albaugh holds drought impacted ears of corn in a field on his farm, Monday, Aug. 20, 2012, in Ankeny, Iowa. Albaugh expects to be harvesting by the middle of September, ahead of the usual end of September or early October schedule. The harvest is three to four weeks ahead of schedule in most of the corn belt because an unusually warm spring allowed farmers to plant earlier.

    The world urgently needs to adopt drought-management policies as farmers from Africa to India struggle with lack of rainfall and the United States endures the worst drought it has experienced in decades.

    LAST UPDATE : Aug 23, 2012, 2:43 PM EDT