Images via Yanko Design For all the offices trying to go green by minimizing paper use, there are still those that have a pile of wasted print-outs in the recycling bin. This concept by designers Chengzhu Ruan, Yuanyuan Liu, Xinwei Yuan & Chao Chen takes old office paper and spits out whole pencils. And interesting idea for reusing wasted materials, upcycling rather than recycling. But, how many people still use pencils, especially those without erasers? So, is it a good idea, or a waste of energy? … Read the full story on TreeHugger
