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Solar-powered water purifier is inspired by pufferfish

Physics World

Pufferfish have inspired a new device that is capable of the highest rate ever of passive solar water purification – according to its creators Xiaohui Xu and colleagues at Princeton University in the US. The post Solar-powered water purifier is inspired by pufferfish appeared first on Physics World.

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September Is Here. That Means Another Nail-Biter for California’s Grid.

Union of Concerned Scientists

For California power grid experts, September is a nerve-wracking month, still very much part of danger season on the West Coast. At any point in the summer, extreme heat could trigger electricity supply shortages and rotating power outages. But September is the month when this type of power outage is most likely in California.

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Solar device generates electricity and desalinates water with no waste brine

Physics World

A device that can generate electricity while desalinating seawater has been developed by researchers in Saudi Arabia and China, who claim that their new system is highly efficient at performing both tasks. The device uses waste heat from the solar cell for desalination, thereby cooling the solar cell.

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Biden Announces New Initiative on “Game-Changing” Technologies for Achieving Net-Zero Emissions

Law and Environment

Other research and development opportunities identified include innovation in energy storage, alternative biofuels, electric vehicle batteries, and advanced wind and solar power. We will be tracking future funding announcements under this initiative.

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In Climate Talks, Plans to Keep Planet from Overheating Should Not Ignore Water

Circle of Blue

Coal power, from mining to generation, is among the thirstiest and most polluting ways to produce electricity. Wind turbines and solar power, two sturdy and growing sources of renewable energy, require negligible amounts of water. Rivers provide a cooling effect on nearby lands, functioning as a natural air conditioner.

Biofuels 363
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Seven Years after Hurricane María, in Puerto Rico You Can’t Even Count on Keeping the Lights On   

Union of Concerned Scientists

The next day, Wednesday, August 14, Puerto Rico woke up with 728,000 clients (almost half) without electricity, thousands without drinking water (because many communities rely on electricity to pump water), and flood warnings throughout the island. What awaits Puerto Rico with Genera in charge of electricity generation?

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Energy Efficiency Home Retrofits Can Protect You During Extreme Temperature Events 

Union of Concerned Scientists

When the power fails , our homes are similarly unable to regulate their interior temperatures. However, homes with energy efficiency retrofits can retain cool or warm air longer , while simultaneously saving money throughout normal yearly temperature fluctuations. The reverse stack effect does the opposite in the summer.

Cooling 263