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Tuesday, September 1, 2026

HAARP can’t cause heatwaves - Full Fact

Recent heatwaves in the UK and Europe were caused by the High-frequency Active Auroral Research Program (HAARP).

We’ve spotted several posts on social media claiming that the High-frequency Active Auroral Research Program (HAARP) research facility in Alaska is responsible for the recent heatwaves in the UK and Europe.

This isn’t true.

Posts shared on Facebook and Instagram claim that “the HAARP Weather Weapon [...is] what's made it crazy hot at the moment”, or question if it is a “coincidence” that there is a “heat dome over Europe” while “the HAARP antennas in Alaska are ‘quietly testing’ the ionosphere”.

But as we’ve explained many times before, HAARP cannot control or manipulate the weather.

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HAARP is operated by the University of Alaska Fairbanks, and is a high-frequency transmitter that studies the Earth's upper atmosphere by sending radio waves to create small, observable electron disturbances that mimic those that occur in nature.

An FAQ page on HAARP’s website explains that “the...



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