staw or straw? But, never the less, normal insulation hurts the environment. while being manufactured, the factory's blow smoke. while straw/staw do not have to be built, so there for wont hurt the environment.
Straw is also a low-cost material. But more importantly, as a plant it captures and stores atmospheric carbon dioxide during photosynthesis. By using more and more straw in buildings we are creating a natural carbon storage bank.
