Latest Stories

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  ASU Prof: Clean-Energy Goals Are 'Folly and Futility,' Won't Meet Climate Promises

  February 15 at 7 a.m.

  Today's technology places physical limits of what's possible, author and professor Tom Rez says.

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  Billionaire Trump Foe Behind Solar Energy Measures in Arizona, Other States

  February 13 at 6:44 p.m.

  Tom Steyer-funded group touts health benefits of measure that would require the state's utilities to use clean energy to generate 50 percent of electricity needs.

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  Arizona Clean Power Initiative for 2018 Will Help the Future and Save Money, Campaign Firm Says

  January 9 at 2:49 p.m.

  Arizonans will get to vote in 2018 on a clean-energy measure that will help the future, firm says.

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  OSIRIS-REx Photos: 'Feels Like It's Your Eyes Up in Space Looking at Earth'

  Wednesday, September 27, 2017 at 11:35 a.m.

  University of Arizona scientists are processing data from images of Earth after their asteroid-chasing spacecraft flies by.

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  Dark Clouds — Transformer Fires and Air Pollution — Continue to Follow Solana Power Plant

  Wednesday, August 30, 2017 at 7:30 a.m.

  The Solana solar plant has more production problems, and more air-pollution allegations, despite previous statements by officials that similar foul-ups in the past had been solved.

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  APS Agrees to Limit Rate Hike for All, Pay Solar Users More Than Expected; Is It Enough?

  Wednesday, March 1, 2017 at 8:08 p.m.

  Arizona's largest public utility agreed on Wednesday to limit a planned rate hike for all customers and grandfather in rates for existing rooftop solar customers .New solar customers would receive similar compensation rates as existing customers.