Bashar Humeid: Freedom is a greenhouse on your rooftop

Bashar Humeid: Freedom is a greenhouse on your rooftop

What’s on the roof of your house? How about on the rooftop of the building where you work or go to school? If you’re like me (and much of the world), your answer is “nothing”. Your rooftop is largely unutilized space. But what if your rooftop heated and cooled your house?