Environment

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Defending champions Victoria Azarenka of Belarus and Serbia's Novak Djokovic walk with their trophies prior to the the official draw of the Australian Open tennis championship in Melbourne Australia, Friday, Jan. 10, 2014. (AP Photo/Mark Baker)

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Defending champions Victoria Azarenka of Belarus and Serbia's Novak Djokovic pose with their trophies prior to the official draw of the Australian Open tennis championship in Melbourne Australia, Friday, Jan. 10, 2014. (AP Photo/Aijaz Rahi)

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Douglas Adams, left, and Parker Hansen stacks ice in the ice house at the Rockywold-Deephaven Camp in Holderness, N.H. Thursday Jan. 9, 2014. For more than a century ice from Squam Lake has been used to keep ice boxes cool for summer residents at the camp. (AP Photo/Jim Cole)

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Art Howe guides blocks of ice from the back of his truck Thursday Jan. 9, 2014 to be stored in the in the ice house at the Rockywold-Deephaven Camp in Holderness, N.H. For mare than a century ice has been taken from Squam Lake and stored in the ice house and used for summer residents at the camp. (AP Photo/Jim Cole)

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John Jurczynski guides blocks of ice from a trough on Squaw Cave on Squam Lake during the annual ice harvest Thursday Jan. 9, 2014 in Sandwich, N.H. For mare than a century ice has been harvested on the lake and used for summer residents at the Rockywold-Deephaven Camp (AP Photo/Jim Cole)

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Carl Hansen uses a custom designed circular saw to cut into more than a foot thick of ice in Squaw Cove on Squam Lake Thursday Jan. 9, 2014 in Sandwich, N.H. More than 3,500 blocks of ice will be taken from the lake during the annual ice harvest and used to cool ice boxes for residents in the summer at the Rockywold-Deephaven Camp. (AP Photo/Jim Cole)

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Carl Hansen uses a custom designed circular saw to cut into more than a foot thick of ice in Squaw Cove on Squam Lake Thursday Jan. 9, 2014 in Sandwich, N.H. More than 3,500 blocks of ice will be taken from the lake and used to cool ice boxes for residents in the summer at the Rockywold-Deephaven Camp. (AP Photo/Jim Cole)

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Blocks of ice are loaded onto a platform in Squaw Cove on Squam Lake in Sandwich, N.H. Thursday Jan. 9, 2014. Thousands of blocks of ice are taken from the frozen lake and stored in an ice house for use in the summer for residents at the Rockywold-Deephaven Camps. (AP Photo/Jim Cole)

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Blocks of ice are loaded onto a platform in Squaw Cove on Squam Lake in Sandwich, N.H. Thursday Jan. 9, 2014. Thousands of blocks of ice are taken from the frozen lake and stored in an ice house for use in the summer for residents at the Rockywold-Deephaven Camps. (AP Photo/Jim Cole)