The world's population is set to grow by two billion by 2050, meaning that we will need 70% more food, according to the UN. But current agriculture techniques can impact the environment negatively, from the release of greenhouse gases to soil contamination and deforestation. And so, in order to feed the world in years to come, our farms will have to drastically change – increasing yields, reducing carbon footprint, and improving efficiency. Many innovative companies in the industry are already addressing these issues through a range of techniques, from using robotics to growing plants without soil, farming indoors and even taking farms underground. Click or scroll through to see farming as you’ve never seen it before.