The following is an excerpt.
What’s the greatest challenge to growing enough food to feed 7 billion – or even, eventually, 9 billion or more – people?
The first problem is the question itself. There is no one challenge to overcome, but multiple challenges: for example, improving yields where it’s needed most, dramatically cutting food losses (from pests, poor refrigeration and other problems in the developing world, and largely from sheer waste in the US, Europe and elsewhere) and reducing the amount of fossil fuel used by the food sector (which currently accounts for 30 percent of all the energy we consume).
Read the full article here: ‘Buckshot’ approach — not silver bullet — can help feed the world
