Ask a guy with access to trend forecasts for clothing and textiles stretching all the way to 2013 anything.

Among the interesting new fabric treatments is a deep sea wash. Apparently water beneath a certain part of the ocean is less polluted and has interesting saline properties that cause it to shift dyes; indigo denim treated with it fades and picks up a green hue, and it can be used to create hybrid colors.

Pic is yarn spun from corn fibre.