A roofing answer to climate change

They also provide fresh vegetables, fruits, herbs, fish and crustaceans around or above retail food stores, restaurants, cafes and food service facilities, and at rural schools and other isolated institutional organisations.

And they reduce urban air pollution by diesel transport - because fresh food is created where it is consumed.

Utilising rooftops for agriculture is one thing, but Australia should also take a good look at these exciting new uses and business prospects for our hardy coastal and inland plants before the Europeans and North Americans swipe our best.

So, how about it, Harry? Your apartment buildings deserve green roofs to save you loads of money - and to avoid the need to go to Katoomba to escape the heat and view the greenery!