Take a bird’s eye look at any city or urban environment and you’ll see a lot of one thing: empty rooftops. This is a lot of unused space that could be better put to work. In populous cities around the ...

UNIVERSITI Malaya senior lecturer Dr Fathiah Mohamed Zuki went up to the rooftop surau of her Chemical Engineering Department building one day last year and made a discovery. She found that the ...

Grow vining crops on trellises. Peas, melons, pole beans, and cucumbers will all grow up fences, arbors, and other trellises.