. >> this is a purple pock choi. >> what? >> pock choi. you eat it right off the plant. >> it actually tastes fresh. >> it's about as fresh as can you get. >> a fresh approach to feeding the world's growing population. on track to reach 10 billion people according to the united nations. >> we need 50 to 60% more food and those people are living around cities. so how do you provide food to cities? >> between 2009 and 2014, number of indoor growing facilities in the u.s. has doubled. produce grown indoors is a wave of the future. >> we need to come up with approaches to ensure that humanity will have food and the hydroponic systems will be part of it. >> what about people that say this isn't be natural? >> our plants are growing the same way that a plant grows outside and a lot of our plants are growing a healthier and cleaner way than the way produce outside is. there's no pesticides or chemicals on this. >> so 365 days a year you can grow inside. >> absolute. >> i using sensors, information is gathered about each plant and stoe sent to a c