MATRIX Z (Fort Lauderdale, FL) offers SeaStone, a complete line of eco-friendly cementitious products made using natural fossil shells and other aggregates to replicate the appearance and durability of natural stone. For details, click here.
WaterShapes World (blog)
As familiar as water may be, there are so many things about it most don't know -- or choose not to consider. But it's a fact, says Eric Herman: The world of water is full of fascinating factoids that can surprise, captivate, terrify and inspire even the most conscientious users of H20.