Use regular silverware or the new, lightweight (easy to carry) bamboo utensils. Takes less than a minute to clean your utensils and saves so much for the planet.
Choose not to have a(nother) child.
In this way, an entire lineage of consumption/waste/exploitation footprints is avoided. You are 100% preventing C/W/E from a bunch of people, and so have magnified your efforts to be greater than if you were personally 100% "green."