Ultrasound can save fish in hydropower rivers

The phenomenon of gas supersaturation occurs when air enters water-filled hydropower inlets and is then exposed to high pressure. When this water is subsequently released into the river below the hydropower plant, it's almost ...

'Unabated': a word to split the world at COP28

The outcome of the most important climate negotiations in years could rest on the ambiguity surrounding one linchpin term, according to experts: "unabated fossil fuels".

Climate experts warn of fossil fuel tactics at COP28

Oil-rich Gulf states have positioned themselves as both champions of climate innovation and guardians of fossil fuel interests—a balancing act experts warn could derail action at COP28 in Dubai.

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