The issue of climate change is becoming really pressing. I think that here in Italy we are one of the few countries in the world where this subject is underestimated by public opinion, distracted as we are by other issues, and it is truly a demerit.
In your story, there are bizarre elements, and the final reference to Ursula whose eyes are chastised is really mysterious to me.
Reading your story has left me with strange sensations, everything that happens is beyond the reach of children: for them both the climate change and the alien spaceship are incomprehensible in the same way, and their actions do not take them away from the role of powerless spectators.