Well, you can wait for greenery to be planted and grow around houses. It'll take 10-20 years. Or you can wait for your landlord to install the shutters (will never happen). Alternatively, you can get a portable inefficient AC and save yourself from 40 degree heat in a rooftop apartment. The mental toll of sweating 24/7 for months is just too big to theorize about the best way to combat global warming.