Picture that world and help us make food insecurity in Africa a thing of the past! Sounds like a far-fetched dream? Maybe not. I think the answer is by going for the surprising, by turning our houses into little, high-tech, energy-producing, food-creating, waste-processing farms. But this isn’t some crazy, futuristic...

We've all seen the ads: lush, vibrant greens bursting forth from sleek, futuristic contraptions sitting pretty on kitchen countertops. Home hydroponics. The promise? Fresh, organic produce year-round, effortless gardening, convenience, fun and a more sustainable lifestyle. After all, you don’t want to blow a fortune on that one “magic” solution,...