Here’s a nice story on the BBC. I had never really thought about the value of drones for search and rescue, but on the River Foyle they have one equipped with a thermal camera, which can really help find people in the river, especially at night.
The search for warmth
April 12th, 2021
there was a similar drone on countryfile last night – the rivers/canal folks are using it to map where they can place heath exchange pumps for residential housing near by – very neat idea – the quantity was not massive, but they claimed up to 150,000 houses could be provided that way at about 4x efficiency of gas ….