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How a ‘Solar Battery’ Could Bring Electricity to Rural Areas

           

New solar flow battery with a 14.1 percent efficiency. Photo: David Tenenbaum, UW-Madison

CLICK HERE - STUDY - Chem - 14.1% Efficient Monolithically Integrated Solar Flow Battery

theverge.com - by Angela Chen - September 27, 2018

Solar energy is becoming more and more popular as prices drop, yet a home powered by the Sun isn’t free from the grid because solar panels don’t store energy for later. Now, researchers have refined a device that can both harvest and store solar energy, and they hope it will one day bring electricity to rural and underdeveloped areas.

The problem of energy storage has led to many creative solutions, like giant batteries. For a paper published today in the journal Chem, scientists trying to improve the solar cells themselves developed an integrated battery that works in three different ways.

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This woman was struggling to find fresh food. She never expected this solution.

                

Image via Upworthy

CLICK HERE - The GrowHaus

upworthy.com - by Sam Dylan Finch - August 31, 2018

How do you get healthy food on the table when you can't find any?

This is a question that Ortilia Lujan Flores had grappled with many times before.

She wanted affordable, nutritious food, but lived in a neighborhood that didn’t have an accessible grocery store.

Flores couldn't drive, which limited the few food options she had. "There was nowhere to go," she explains.

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Super Cheap Earth Element to Advance New Battery Tech to the Industry

           

Purdue researcher Jialiang Tang helped resolve charging issues in sodium-ion batteries that have prevented the technology from advancing to industry testing and use. Credit: Purdue University Marketing and Media

CLICK HERE - STUDY - Ultrasound-assisted synthesis of sodium powder as electrode additive to improve cycling performance of sodium-ion batteries

phys.org - by Kayla Wiles - September 19, 2018

Most of today's batteries are made up of rare lithium mined from the mountains of South America. If the world depletes this source, then battery production could stagnate.

Sodium is a very cheap and earth-abundant alternative to using lithium-ion batteries that is also known to turn purple and combust if exposed to water—even just water in the air.

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Solar Installers Should Bundle Panels With Heat Pumps, Study Says

           

Solar installers could make a better business case for panels bundled with heat pumps and other electric devices that offset natural-gas use, according to the Rocky Mountain Institute. Here, Luminalt solar installer Pam Quan moves a solar panel during an installation on the roof of a home on May 9, 2018 in San Francisco, California. (Photo by Justin Sullivan/Getty Images)

CLICK HERE - REPORT - Rocky Mountain Institute - The Economics of Electrifying Buildings

forbes.com - by Jeff McMahon - September 2, 2018

Solar installers could offer rooftop customers even more savings by bundling solar panels with heat pumps and other electric appliances, according to a recent study by the Rocky Mountain Institute.

RMI studied the carbon benefits and financial costs  of electrification of home heating in four U.S. cities. The carbon reductions were pronounced in three of the four. The financial costs were harder to overcome—unless the electricity comes not from the grid, but from the rooftop.

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Study Shows High Post-Epidemic Seroprevalence of Zika Virus in Nicaragua

           

CLICK HERE - STUDY - PNAS - Seroprevalence, risk factor, and spatial analyses of Zika virus infection after the 2016 epidemic in Managua, Nicaragua

sph.berkeley.edu - August 30, 2018

Almost half of the population of Managua, Nicaragua, is infected with Zika virus, according to a study by UC Berkeley School of Public Health researchers. Eva Harris, professor of Infectious Diseases and Vaccinology at the School of Public Health and director of the UC Berkeley Center for Global Public Health, led the research, which was published August 27 in the Proceedings of the National Academy of Sciences.

“Knowing that 50 percent of the population was infected in only a three-month period during the epidemic is important because it means that another epidemic of that size and ferocity in the near future is very unlikely,” says Harris.

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A Radical New Scheme to Prevent Catastrophic Sea-Level Rise

           

A Princeton glaciologist says a set of mega-engineering projects may be able to stabilize the world’s most dangerous glaciers.

CLICK HERE - West Antarctic Ice Sheet Collapse – The Fall and Rise of a Paradigm

theatlantic.com - by Robinson Meyer - January 11, 2018

 . . . What if scientists could prevent one catastrophic symptom of climate change—a rapid rise in global sea level, for instance—without messing again with the weather?

Michael Wolovick, a glaciology postdoc at Princeton University, believes it may be possible.

For the past two years, Wolovick has studied whether a set of targeted geo-engineering projects could hold off the worst sea-level rise for centuries, giving people time to adapt to climate change and possibly reverse it.

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'Weather models have flipped the switch': Hurricane season coming to life in the Atlantic

           

As hurricane activity starts to ramp up, Meteorologist Bobby Deskins is tracking a wave in the Windward Islands that's expected to bring heavy rain to the Southeast early next week. USA TODAY

usatoday.com - by Doyle Rice - August 29, 2018

The sleeping giant may be about to awaken.

Hurricane activity in the Atlantic Ocean, Caribbean Sea and Gulf of Mexico is forecast to ramp up over the next couple of weeks. "Weather models have flipped the switch on the Atlantic hurricane season and see multiple areas of development possible, starting mainly this weekend," weather.us meteorologist Ryan Maue said.

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Resilience Hubs White Paper - Shifting Power to Communities and Increasing Community Capacity

CLICK HERE - Resilience Hubs White Paper - Shifting Power to Communities and Increasing Community Capacity (10 page .PDF document)

usdn.org

Summary

Resilience Hubs are community-serving facilities augmented to:

1.  support residents and

2.  coordinate resource distribution and services before, during, or after a natural hazard event.

They leverage established, trusted, and community-managed facilities that are used year-round as neighborhood centers for community-building activities. Designed well, Resilience Hubs can equitably enhance community resilience while reducing GHG emissions and improving local quality of life. They are a smart local investment with the potential to reduce burden on local emergency response teams, improve access to health improvement initiatives, foster greater community cohesion, and increase the effectiveness of community-centered institutions and programs.

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Electric Scooters’ Sudden Invasion of American Cities, Explained

           

Turns out there’s a lot of latent demand for a quick and cheap way to get around.

vox.com - by Umair Irfan - August 27, 2018

 . . . Amid the feverish passion for and against scooters, there’s a larger reckoning taking place about rapid changes to our cities and public spaces. The scooters are forcing conversations about who is entitled to use sidewalks, streets, and curbs, and who should pay for their upkeep.

They’re also exposing transit deserts, showing who is and isn’t adequately served by the status quo, and even by newer options like bike share. That people have taken so readily to scooters shows just how much latent demand there is for a quick and cheap way to get around cities.

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Solar on Every Home? NREL Outlines Pathways to Ultra Low-Cost Residential Solar

           

Figure 1. Average estimated annual residential rooftop PV market capacity potential from 2017 – 2030 (Source: NREL)

sepapower.org - by Jeffrey Cook - August 16, 2018

If the solar industry reaches this Department of Energy (DOE) target, it could dramatically alter the energy market and present a future where residential PV becomes a standard, cost-effective home installation, versus a luxury or long-term investment. A recent NREL report — Cost-Reduction Roadmap for Residential Solar Photovoltaics (PV), 2017-2030 — models a set of pathways that the industry could follow to realize this future. The analysis focuses on two key markets for residential PV cost reduction: installing PV at time of roof replacement and installing PV at time of new construction. These two market segments were selected because each offers significant cost reduction opportunities while representing a 30 gigawatt (GW) annual market nationwide (see Figure 1).

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