The public are becoming more wary about what they eat, thanks to issues like the horse meat scandal in Europe and growing awareness of the dangers of poor farming practices in the US. Moreover, in view of the increasing discontent surrounding the food industry, people are finding their own grassroots solutions.
The truth, of course, is that people have been growing their own food for thousands of years, and although the passion may have waned in recent times, the practice is becoming more popular again.