Scientists say a hole in the Arctic’s protective ozone layer last winter was the largest ever recorded, reaching an extent typically observed above Antarctica.

While so-called ozone “holes” have occurred each summer since the mid-1980s over Antarctica — (more…)

A series of pole-to-pole research flights conducted by U.S. researchers have provided the most comprehensive picture of greenhouse gas concentrations in the atmosphere and confirmed some of climate scientists’ more dire concerns about human-caused (more…)

A Russian company has announced that it will build the world’s first floating nuclear plant, opening up the possibility that the Russians could use such reactors to power operations to extract oil and minerals in remote regions of the Arctic.

Russia’s United Industrial Corporation said its floating reactor will go into operation in 2012 off the Kamchatka Peninsula in the Russian Far East and will be used to help power Vilyuchinsk, a small city that serves as an atomic submarine base. The 472-foot plant will be built in the shape of a ship, will accommodate two 35-megawatt reactors, and will cost $316 million to construct, United Industrial said.

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