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A picture of the corner of a stone building with damage caused by acid rain. The stone is cracked and crumbling in places, and covered with moss. — Acid rain damages buildings such as this one in Copola, Mexico.

UCAR/NAME

A picture of the corner of a stone building with damage caused by acid rain. The stone is cracked and crumbling in places, and covered with moss. — Acid rain damages buildings such as this one in Copola, Mexico.

UCAR/NAME

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The Sum of its Parts: Earth as a System

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The Sounding Climate Interactive is based on modeled output from the CESM

The greenhouse gas game

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View of the collapse of the Larsen B Ice Shelf in Antarctica from overhead — Collapse of the Larsen B Ice Shelf in Antarctica between Jan 31 and April 13, 2002.

NASA's Earth Observatory

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Denver, Colorado, on a day with good air quality with clear skies (top) and on a day with poor air quality with hazy skies (bottom).

Credit: UCAR

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