We would visit family abroad multiple times a year, and so we had SIM cards for both countries. This meant popping the phone open at least 6 times a year, so it got worn down plenty. It happened very frequently that my phone spilled open when dropped, but I’m happy for you that you didn’t have the same result!

They probably haven’t, but bringing it up on your terms, instead of theirs, is adding to the hurt

My English isn’t Englishing atm, bear with me. Heat island effect is caused (amongst other things) due to sealed ground. So replacing asfalt roads, and even brick sealings with green space or even better water, should help regulate temperature. On top of this, instead of white roofs, green roofs are also a good option