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The Future of Urban Farming

Toronto has one of the most progressive green roof policies in North America – and was the first city on the continent to make them mandatory for new construction. Green roofs are great because they help cool buildings, leading to lower energy costs. There are currently more than 700 dotting the city but most use shallow substrates (a mix of organic material, crushed bricks and some minerals such as sand and shale) instead of soil – and have little to no irrigation. They require minimal maintenance and have not been designed with farming in mind. U of T Scarborough researchers are looking to add another function to these spaces by testing which crops fare best on city roofs. The hope is to one day turn these roof top spaces into food-growing urban gardens. Read more: https://utsc.utoronto.ca/news-events/...