Last October, Todd and I visited a salad joint in the DC metro area called Sweet Green. It’s not all that unusual to see compostable cups these days, but not every restaurant actually composts...

The Problem: How Plastic Becomes Pollution Plastic collects in lakes, rivers, and the ocean. It breaks down in sunlight (photo-degrades) into small pieces. Birds such as albatrosses, turtles, and...

The Local Food Summit in Denver, organized by the Mile High Business Alliance, was informative and great fun. But the strongest memory I took from it is of the woman who asked this question at the...