UN Warns of Crop Virus Epidemic

The UN has warned that a virus attacking the cassava plant in Africa is reaching near epidemic proportions. Cassava is a staple food in Africa and any reduction in its production could lead to undernourishment and possibly famine. The virus highlights the vulnerability of food production and the delicate balance between a population growth and resources. It also shows some of the problems that can come about because of monoculture.

http://www.bbc.co.uk/news/science-environment-15763330