Knowledge for better food systems

European Commission brief: Rooftop gardens could grow three quarters of city’s vegetables

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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Europe is the world's second-smallest continent by surface area, covering just over 10 million square kilometres or 6.8% of the global land area, but it is the third-most populous continent after Asia and Africa, with a population of around 740 million people or about 11% of the world's population. Its climate is heavily affected by warm Atlantic currents that temper winters and summers on much of the continent. In the European Union, farmers represent only 4.7% of the working population, yet manage nearly half of its land area.

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