School feeding is common in Africa and widely recognised as beneficial for both the physical and mental development of the children. However, mainly due to the sharp increase of food prices, many parents are no longer able to pay for their children

Marginalized urban communities living in informal settlements or on fragile hillsides and slopes in Quito, Ecuador, are the most vulnerable to the impacts of climate change, as they are highly exposed to frequent floods and landslides, droughts, food scarcity and uncertain food supply chains.

In periurban Hyderabad, India, leafy vegetables are increasingly grown along the Musi River and sold in urban markets. This agricultural biodiversity can significantly help urban and periurban farmers become more resilient to the impacts of such changes.

Increasing urban production of perishable foods can increase diversity in the food system, adding new products, producers, techniques and systems that will resist different threats and meet different needs. As Australia continues to struggle with water scarcity and increasing climate extremes, food production in and around its cities can contribute to healthy and resilient communities.

Resilience is a dynamic process. City resilience refers to the ability of a city to adapt or adjust to changing situations or recover from economic, social or ecological disturbances. The current high rate of urbanisation in China creates many such disturbances. Urban agriculture plays a role in enhancing the resilience of China

The municipality of Contagem in the State of Minas Gerais, despite being known as an industrial centre, has an enormous potential to develop urban agriculture. The current administration recognises this, and supports the development of agriculture as an important strategy for consolidating its Municipal Food and Nutritional Security Policy.

Urban growth is projected to increase significantly in the coming decades. The world

The biggest challenge facing humankind is to reconcile the impact of humans with the ability of our planet Earth to provide resources and absorb waste. This "crisis" presents a potentially pivotal opportunity for architects, who have a crucial role to play in addressing this challenge. Sustainable cities are the building blocks of a peaceful and sustainable world.

More than 60 percent of the population of Nairobi lives in the numerous slums located around the city. Kibera slum is one of the 146 slums of the Kenyan capital and the second biggest slum in Africa (after Soweto in South Africa). Around one million people are currently living in Kibera and the population is increasing daily.

Addressing food insecurity in resource-poor settings is difficult in any context. However, in protracted refugee camp situations, where people are almost entirely dependant on humanitarian assistance, the challenges are even greater. The development and adaptation of multi-storey gardens has been tried in refugee camps in Kenya with impressive success.