SONGS
ADVERTISE
Advertise with us:
R10 000 pm VAT excl.

Wildlife matters

BACK
HOME » Wildlife » Wildlife matters

Feeding a growing human population

25 September 2014

www.leopard.tv

Enough space to produce food on the Earth where the climate is currently becoming less conducive to agricultural production will probably combine with few alternative sources of food production to create new conflicts. In addition, several types of alternative energy production compete for the available land which also affects food production. Already in 2006 the USA used 20 per cent of its maize production to produce ethanol as fuel. Although there are other alternatives for the production of biofuel, and new techniques are constantly being developed, the application of such techniques require careful planning so as not to harm the production of food for a growing human population.

Humans almost became extinct as little as 70 000 years ago when a major climate change event in Africa, which became cold and dry, severely threatened the food that was available to these hunter-gatherers that were still confined to Africa. Humans survived... (Become a subscriber for more)

References:

Bloom, D E 2011. 7 billion and counting. Science 333: 562 - 569.

Marean, C W 2010. When the sea saved humanity. Scientific American, August: 55 - 61.

Stone, B and M Richtel 2009. Forging a link to the farmer who grows the food. New York Times, 27 March.

Vogel, G 2008. Upending the traditional farm. Science 319: 752 - 753.

 

Article by Prof J du P Bothma

 

Click here to buy music, videos and images

SONGS
ADVERTISE
Advertise with us:
R10 000 pm VAT excl.