It would be a novel plot for a film: environmentalists want to cause nuclear disasters to create human-free habitats for all the animals that don’t live long enough for the radiation to seriously harm them.
https://en.m.wikipedia.org/wiki/Atomic_Dog
Bow-wow-wow-yippie-yo-yippie-yeah…
"Everything I've done..."
Close up of pup's face. Close up of main character's face.
"... I did for you".
Close up of character's hand tapping the tablet. Cue soft ethereal music with female choir. There is a very bright explosion in the distance. The main character turns back. Camera zooms into their eye, where you can see the reflection of the blast wave fast approaching. White screen.