Shade is everything. Tree shade is the best, because trees transpire, cooling the ground beneath them even more than shade would alone.
Inside your house (depending on what kind of home you have), you can also take a look at your overall energy efficiency, including windows, doors, insulation in walls and attic, and weather stripping to seal all gaps
This is a great way to frame this. To put this thinking into an example, most people who are abusive toward others have themselves been victims of abuse earlier in their lives and are reenacting patterns they were taught. I think those people deserve compassion and understanding