High oil prices and bad harvests have led to dramatic increases in food prices and are now

threatening millions of people in densely populated cities all over the world. To ensure that

these people will have enough food without compromising the needs of future generations

will be a demanding task for politicians and decision makers. is paper has shown that

Havanas urban gardens have increased urban food security since the hunger crisis that

occurred aer the fall of the Sovjet Union in 1989, and that they support the thesis of Amartya Sen and the Ryerson University. Urban gardens can be a good example for cities how to avoid hunger and famine if they are properly managed. But wrongly handled, they might create a disaster for thousands of poor people.