Since small objects can leave a long impact trail in their wake, this overblown links-list is devoted to sustainable product design: the eco-architecture of small things. These are the best doors I can find into the spectrum, which ranges from the satisfyingly physical to the theoretical, occasionally approaching something like guilt-free materialism: plenty of different philosophies, not all involving unbleached cotton. All of this ephemera started to accumulate. Perhaps you could use it.