Journal
Occasional letters on composting, materials science, and the small things we’re learning while running a young studio.
There's no FTC rule that defines "eco-friendly." There is one that defines "compostable." Here's how to read a compostable bag in ten seconds, and the four certifications that actually mean something.
Recent posts
Materials
"Plant-based" is one of the most misleading words on a bag. Here's what's actually inside a compostable bag (PLA, PHA, PBAT, TPS), how the blends work, and why certification matters more than feedstock alone.
May 13, 2026
Materials
A compostable bag is engineered for one of three very specific environments. Outside of them, it behaves a lot like a regular bag. Here's how to figure out which path you actually have.
Apr 30, 2026
Soil
A certified compostable bag in a landfill is just a slower piece of trash. Here is what's actually happening inside the cell, and why the system matters more than the material.
Apr 16, 2026
Education
Two of the most confused words in sustainable packaging. One has a strict definition. The other has almost none. The difference is the difference between soil and landfill.
Apr 3, 2026