by: Fiona Harvey, The GuardianInsert Payment Form
Why do we need to grow more food?
Food production around the world must rise by half in the next 30 years to sustain a global population expected to top 10 billion by 2050.
Compared with 2010, an extra 7,400tn calories will be needed a year in 2050. If food production increases along current lines, that would require a landmass twice the area of India. more…