This brief argues that rooftop gardens in cities could supply cities with more than three quarters of their vegetable requirements. The brief from the European Commission is based on evidence from a case study from Bologna, Italy.
If all suitable flat roof space was used for urban agriculture, rooftop gardens in the city could supply around 12,500 tonnes of vegetables a year whilst also providing a range of ecosystem services. Furthermore, if all the spaces identified in the study were turned into gardens, they could capture an estimated 624 tonnes of CO2 each year.
Read the full brief here.
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