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New solar cell keeps working at night

Researchers at Stanford University have built a solar cell capable of harvesting renewable energy both day and night and eliminate the need for batteries by harvesting energy from the heat drifting from Earth back into space as temperatures cool at night.... Read more»

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Two-thirds of Americans want more carbon-neutral policies — not sure they want to quit fossil fuels

A majority of Americans favor a transition to more carbon-neutral energy sources like solar and wind power, but approximately the same majority believes fossil fuels will remain a part of the energy portfolio for the foreseeable future. ... Read more»

Antitrust suit can proceed against SRP over charges to solar customers

A federal appeals court said Monday that SRP customers - about 1 million in Arizona - who also have solar panels at their homes can pursue an antitrust claim against the utility for a policy of charging them more than other customers. ... Read more»

Mexican scientists scale up solar-powered water treatment tech

Scientists in Mexico are cleaning polluted waterways with solar power, thus offsetting the carbon footprint of water treatment — and they're making moves to scale the technology up even bigger. ... Read more»

Despite slight dip, Phoenix still ranks high for solar power in cities

Phoenix dipped slightly in a national ranking of solar power capacity, even as the total amount of power generated and the power per person increased from last year, according to a national report.... Read more»

Solar company traps customers with pricey long-term contracts

Over the last decade, consumer complaints against U.S.-based solar companies have multiplied. Among them are claims that salespeople misrepresented the terms of power purchase agreements or leases. Some homeowners say they were tricked and locked into 20-year contracts that can’t be broken, short of paying the solar company tens of thousands of dollars.... Read more»

Green schemes: How fraudsters are cashing in on the rewnewable energy boom

While the U.S. Department of Energy declares America to be in the midst of a clean energy revolution – one that is generating “hundreds of billions in economic activity” – fraudsters have definitely arrived at the revolution. And they, too, are cashing in.... 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»

#CoveringClimateNow

Romero: Tackling climate change starts at the local level

Tucson mayoral candidate Regina Romero: "The unfortunate reality is that we do not have much of a choice but to act - and to act boldly - if we want to have a livable city for future generations of Tucsonans."... Read more»1

#CoveringClimateNow

Cease: System change needed to fight climate change

Tucson mayoral candidate Mike Cease: "Climate change is the most catastrophic environmental, social and economic crisis that the human species has ever faced."... Read more»

Analysis

Arizona, Nevada voters split on renewable energy measures

Arizonans rejected a renewable energy proposition but the trend continues at the state level to encourage and increase standards in this emerging technology.... Read more»

Guest opinion

Durham: Why I voted to OK TEP's natural gas power plant upgrade

City Councilman Paul Durham: As you know, sustainable power generation, clean air and reducing our carbon footprint are high on my priority list. Since I took office, I've pushed the city to make our buildings more energy efficient and install more solar. So I questioned TEP pretty hardabout the RICE plant. Here's what I learned. ... Read more»

Emission impossible: Few signs of coal revival despite Trump support

Despite the Trump administration’s ardent support of coal over renewable energy, the percentage of U.S. electricity from renewable sources continued its gradual rise in 2017.... Read more»

New solar panel tariffs will be felt by Arizona companies, consumers

New tariffs imposed last week by the Trump administration on imported solar products will benefit domestic manufacturers, but could hit consumers and other parts of the solar energy industry hard, experts said.... Read more»

Solar could replace Navajo Generating Station power, but not its jobs

Solar power advocates say a 250-megawatt renewable-energy facility could be in place in time for the late-2019 closure of the Navajo Generating Station, if permitting and construction began right away.... Read more»

40MW solar plant north of Tucson powers ASU, PayPal

Electricity from a new $90 million solar power plant in Red Rock will be underwritten by PayPal's operation in Phoenix, and Arizona State University. The facility, next to an existing natural-gas plant about 35 miles north of Tucson, was dedicated this week.... Read more»

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