Traveling through cities in India and Nepal, you see rooftop gardens wherever you go. More often than not, people living in urban areas there don't have the luxury of purchasing food that's been shipped in from distant countries. Instead, they eat locally, often growing plants and herbs in small plots next to their homes or on the roofs of their building--not because it's the trendy, green thing to do but because it's the cheapest way to feed a family.
The current industrial agriculture system is a system of waste. Water waste, energy waste, financial waste, and food waste. Why should we continue to support a system that ships food thousands of miles when we could grow the very same products just a few feet from our dinner tables? Our empty city roofs offer us hundreds of thousands of acres of uncultivated opportunity. When it comes to rethinking our inefficient agriculture system, let's take a clue from those who never had the luxury of creating a system of waste.
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