The United Nations (UN) predicts that 70% more food will need to be produced by 2050 to feed a global population of 9 billion. However current increases in crop yields will not be sufficient to meet estimated demands. In fact as we look to increase crop production, we will face further problems that restrict the way we look to live. Land is a very finite resource and competition is fierce. Much is lost to biofuels, meat production and urbanisation. As a result, arable land is overused leading (more...)
