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Rep. Ruben Gallego, D-Phoenix, speaks during a July 31 rally to raise awareness about climate change.

State climatologist takes conciliatory stance on global warming

At a rally to raise awareness of climate change, Nancy Selover demonstrated the delicate balance she has to strike as both a political appointee and a scientist.

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Coalition formed to fight Navajo power plant retrofits (access required)

This Sept. 4, 2011 file photo shows the main plant facility at the Navajo Generating Station, as seen from Lake Powell in Page, Ariz. The federal government is proposing new limits for pollution from the coal-fired power plant on the Navajo Nation that it says will improve visibility at places like the Grand Canyon, but it could come with a price tag of more than $1 billion, according to the plant's owners. (AP Photo/Ross D. Franklin, File)

A group of Arizona business leaders say they have until Aug. 5 to tell the U.S. Environmental Protection Agency why forcing the Navajo Generating Station to spend as much as $1 billion on retrofits to the coal-powered plant would have dire consequences on the state economy and residents’ pocketbooks.

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