Urban agriculture is the key to a sustainable future

Indira Naidoo is an award-winning Australian broadcaster and the author of best-selling book "The Edible Balcony". When I sat in a darkened theatre in 2008(ish) watching Al Gore deliver his now famous slide show on climate change, the enormity of the challenge we were facing hit me. And then I got hungry. Very hungry. Because if I am honest, the thing that most hit home to me was the way in which

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"We must learn from the methods used for centuries to grow food without a huge environmental footprint. We must also adapt those techniques to fit new environments, like our urban roofs, balconies and walls. "