I'm in love with the flooring from Boston's own FilzFelt. Available in 52 color options and several thickness choices, FilzFelt is a great green option for flooring.
FilzFelt sells 100% wool felt imported from Germany. Since wool felt is made from sheep's wool, it's a naturally earth friendly product. Plus, wool is easily recycled.
Beyond their green qualities, the wool rugs pictured are super cute, too! FilzFelt sells a number of flooring options on their online store. I love the look of the round floor mat. This would be a great way to spice up a boxy space. Custom sizes and styles can also be ordered.