Simple, solar-powered water desalination

A completely passive solar-powered desalination system developed by researchers at MIT and in China could provide more than 1.5 gallons of fresh drinking water per hour for every square meter of solar collecting area. Such systems could potentially serve off-grid arid coastal areas to provide an efficient, low-cost water source. MIT NEWS

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Could 'invisible barcodes' revolutionise recycling?

Many of us struggle to figure out which items can be recycled while sorting our rubbish at home. Machines in sorting plants can have the same problem. This prevents many countries from achieving the recycling rates they would like. But new "invisible barcode" technology is being piloted which aims to fix the problem. BBC NEWS

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Safer at sea: The unexpected benefit of traceability for small-scale fishers

Consumers are demanding to know where the seafood they buy comes from to ensure catches are legal, sustainable and free from labor abuse. The technology to deliver that information, once out of reach for small-scale fishers, is becoming more accessible in places like the Philippines. MONGABAY

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As wildfires worsen, Californians harness tech for help

To better protect themselves from wildfires worsened by climate change, communities are pulling together to share information. Typically, the COPE network might collect and share information such as where doctors live, where a resident might be house-bound or where swimming pools are located that could be used in fighting a fire. PLACE

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