Posts tagged ‘Urban Agriculture’

Time for urban farming in cities to reduce obesity

Written June 26th, 2015 by

Urban FarmingIn 2005 over 40 % of the Earth’s land was given over to agriculture. This is an area of roughly 4.6 billion hectares, about the size of South America.  A further 3.2 to 3.6 billion hectares is being used to raise livestock. By 2050 up to 80% of the earth’s population will live in urban centres. If food is to be produced and consumed in the same inefficient way as is today, we will need further arable farm land the size of Brazil to support this population.

The best farming lands are already cultivated. Further increasing the agricultural land area will come with great environmental consequences, such as: destroying valuable natural ecosystems; water pollution from nutrient run-off; and soil erosion. New agricultural models are required. These models need to use new technology to improve cropping productivity while reducing the use of water and the application of fertilizer and other potentially harmful chemicals. Read the rest of this entry »