Every day, billions of people sit down to eat without ever thinking about the workers who made that meal possible. They're not farmers, traders or transporters. The workers I'm talking about never receive a salary. They never appear on a receipt. Most of us have never even seen them at work. But every meal we eat depends on them. I was reminded of this by a simple scene at a local market. "Madam, keep those tomatoes!" The trader's voice rose above the noise of the market. The woman stopped. She looked at the tomatoes in her basket, sighed, took two out and gently walked away. Most of us would blame inflation. And we'd be right. But inflation is only part of the problem. Long before those tomatoes reached the market, an invisible workforce had already been hard at work. Meet Nature's Invisible Workforce Bees had pollinated the flowers that would become fruits and vegetables. Earthworms had loosened and enriched the soil. Tiny fungi had formed partnerships w...