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How the rise of copper reveals clean energy’s dark side

When “clean energy” relies on the extraction of metals like copper, it can also pollute the surrounding environment, and that leaves environmentalists in a pinch. ... Read more»

Arizona Corporation Commission votes to strengthen policies on power disconnection

On April 14 the commission voted 3-2 to preliminarily approve a package of measures regulating when utilities can shut off service for nonpayment. ... Read more»

Ruling sets up renewable energy fight between Az Corp Comm, lawmakers

The Arizona Supreme Court may have opened the door to allowing the legislature to overrule the Corporation Commission on renewable energy standards.... Read more»

Navajo Generating Station, coal mine face years of breakdown, cleanup

The Navajo Generating Station and its affiliated Kayenta coal mine, now closed, face several years of decommissioning and cleanup as well as the possibility of decades of environmental monitoring of the sites, which closed down for good this fall after a two-year fight over their futures.... Read more»

Court upholds EPA-ordered emissions rules for Coronado power plant

A federal appeals court Wednesday said the Environmental Protection Agency acted properly when it rejected Arizona’s pollution-control plan for the Coronado Generating Station and imposed its own strict emission limits instead.... Read more»

TEP: Transformer failure cuts power for 19,000 Wednesday night

A substation transformer failure left thousands of customers in the Catalina Foothills and Midtown Tucson without electricity Wednesday night, according to TEP officials.... Read more»2

Killing the Colorado

The Az power plant fueling America's drought

Arizona's Navajo Generating Station, the West's largest power plant, is consuming 22,000 tons of coal and emitting 44,000 tons of carbon dioxide each day, in large part to deliver Arizona’s water. ... Read more»

FactCheck

Will power plant rules cause blackouts?

FactCheck: The head of the Environmental Protection Agency told Congress her agency’s proposed rules governing carbon dioxide emissions from power plants will not affect the reliability of electricity service. That’s debatable.... Read more»

The World Cup: Brought to you by one of China's greenest corporations

Yingli's got solar panels, and Latin America's got sun. Hey, perfect match.... Read more»

EPA plan would slash carbon emissions from 1,000 existing power plants

The EPA proposed the first-ever limits on greenhouse gas emissions from existing power plants on Monday. The high-profile announcement marks the second time in less than a year the agency has released far-reaching rules aimed at fulfilling a key pillar of President Obama's sweeping climate plan — to cut carbon pollution from both existing and planned power plants.... Read more»