As climate change drives floods and drought, rainmaking is in fashion across the world, despite mixed evidence that it works and concerns it can stoke cross-border tensions.
While attempting to control the weather might sound like science fiction, countries have been seeding clouds for decades to try to make rain or snow fall in specific regions.
Invented in the 1940s, seeding involves a variety of techniques including adding particles to clouds via aircraft.
It is used today across the world in an attempt to alleviate drought, fight forest fires and even to disperse fog at airports.
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