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Tesla's Powerpack system in South Australia. Tesla

Tesla Vies to Build World's Largest Battery Again

Tesla has already built the world's largest battery in South Australia, a lightning-fast system that switched on in December and recently saved the energy market millions during an outage.

Now, the Elon Musk-headed venture is vying to build another massive Powerpack system in Colorado for Xcel Energy Inc., an electric utility operating in eight Western and Midwestern states.


Here's how massive Tesla's battery could be, as Electrek detailed:

"In South Australia, Tesla's 100MW/ 129MWh Powerpack project is known as 'the most powerful battery system in the world' and while this proposal in Colorado would not be as powerful with a power capacity of 75 MW, it would be able to run for 4 hours, which would require a much bigger energy capacity of 300 MWh.

"It would be a major energy storage project that would represent twice the energy capacity that Tesla deployed during the entire last quarter. It would consist of as many as 1,500 Powerpack 2 battery systems."

Xcel Energy is currently soliciting for energy storage and renewable energy projects in Colorado. Along with Tesla, power providers NextERA Energy Resources, Convergent and AEIF Battery Storage have also made bids to build a giant battery, as you can see from this chart posted on pv magazine.

One bid from NextEra is a stunning 150-megawatt system that could run for 10 hours and that, as pv magazine noted, "would be the largest planned anywhere in the world at this moment." In fact, four of the proposed battery projects would qualify for the distinction of "world's largest."

Electrek pointed out that while most of Colorado's electricity currently comes from coal and natural gas, the state is ramping up renewable energy and energy storage projects to boost the efficiency and stability of its power grid.

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A snapping turtle held by a Virginia Tech researcher. Virginia Tech

Land Use and Pollution Lead to More Male Snapping Turtle Babies, Researchers Find

The sex of reptiles like snapping turtles is determined by the temperature of the nest, with warmer temperatures leading to female births and colder temperatures leading to male babies. Because of this, climate change is projected to increase the number of female turtle births. However, scientists have discovered that other human impacts on the environment are leading to conditions that actually produce more males.

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Organic Agriculture Is Going Mainstream, But Not the Way You Think It Is

By Jeremy L. Caradonna

One of the biggest knocks against the organics movement is that it has begun to ape conventional agriculture, adopting the latter's monocultures, reliance on purchased inputs and industrial processes.

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View of the UN Bonn Campus on May 16, 2017. UNclimatechange / Flickr

‘Business Unusual’ Must Be the Mantra in Bonn as UN Climate Talks Resume Next Week

As the 2018 climate talks kick off under the auspices of the UN next week, "business unusual" must be the mantra delegations need heard resoundingly in Bonn, said the World Wildlife Fund (WWF).

Speaking ahead of the start of the meeting, Manuel Pulgar-Vidal, WWF's global climate and energy programme leader, said the window of opportunity to keep global temperature rise below 1.5°C is fast closing.

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UNAMID provided emergency aid for displaced people in Mellit, North Darfur on April 6, 2014. Hamid Abdulsalam, UNAMID / Flickr

Climate Is a 'Threat Multiplier' But Not Primary Cause of East African Conflict and Displacement, Study Finds

While there are predictions that climate change will displace masses of people in the near future—an Environmental Justice Foundation study reported on by The Guardian put the number in the tens of millions within the next decade—some have indicated that the climate refugee crisis has already begun.

The Syrian civil war has been linked to a massive drought in the region, and former UN Secretary General Ban Ki-moon called the conflict in Darfur one of "the first climate wars" in 2007.

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Central Park. Ingfbruno / CC BY-SA 3.0

New York's Central Park Is Going Car-Free

One of the world's most iconic parks is going vehicle-free this summer; New York City is banning all cars and trucks from Central Park.

"This park was not built for automobiles," Mayor Bill de Blasio announced Friday in Central Park. "It was built for people."

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Infant receiving polio vaccine. CDC Global / CC BY 2.0

Did the Polio Vaccine Cause Cancer?

By Vanessa Schipani, FactCheck.org

Q: Did people develop cancer because of the polio vaccine?

A: There are no known cases, and it's very unlikely. In the 1950s and 1960s, people did receive polio vaccines contaminated with a virus that causes cancer in rodents. But research suggests this virus doesn't cause cancer in humans.

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The research icebreaker Polarstern in the central Arctic Ocean. Alfred-Wegener-Institute / Ruediger Stein

'Nowhere Is Immune': Researchers Find Record Levels of Microplastics in Arctic Sea Ice

Scientists found record levels of microplastics in Arctic sea ice, a study published Tuesday in Nature Communications revealed.

Researchers from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) sampled ice from five Arctic Ocean regions and found up to 12,000 microplastic particles per liter (approximately 1.06 liquid quarts) of ice, an AWI press release reported.

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