Aussie Enviro

Saw these in the desert on a drive to Vegas over a decade ago as well. Honestly, seems like a pretty solved piece of technology. I think they meant to say "politically difficult" rather than "technically difficult" in the article.

This is the best summary I could come up with:

About an hour south of Dubai — depending on the traffic that can often choke the streets of the Emirati capital — a giant tower rises like a beacon.

But unlike so much of the colossal, conspicuous wealth that embodies the city nearby, this tower is not in aid of — or a tribute to — the fossil fuels that underpin the local economy.

Solar thermal plants, by contrast, harness – or "concentrate" – the sun using special mirrors known as heliostats to generate temperatures of up to 565 degrees Celsius.

Mr Lovegrove visited the plant as part of an Australian delegation travelling to the United Arab Emirates for this year's UN climate talks.

"And I think what it does is it shows the scale of renewable energy generation that's possible and the sort of things we, frankly, need a lot more of these into the future if we want to get to net zero."

Darren Miller is the boss of the Australian Renewable Energy Agency and he says there are some promising solar thermal companies operating in Australia.

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