Vertical Farming

00:00:00,640Now listen carefully and answer all of the questions. 00:00:07,380So in this final lecture on contemporary agricultural issues, I'd like to look at an idea that might solve many of the problems that we face today. First, let's recap on some of the dilemmas that farmers, that governments must deal with. Okay, so the global population is rapidly expanding, and there's insufficient space to grow the crops to feed all the people that will be around in, say, twenty fifty. That's frighteni...