Ever a green state
There’s nothing new about being green.
Two millennia ago, Chinese Minister for Agriculture Tsai Lun in the first-century Han dynasty called for subjects of the emperor to boil old linen rags for papermaking. Professional recyclers in medieval England collected dust and ash left from fireplaces, then sold it to brick manufacturers as an inexpensive base material. More recently, World War II saw an uptick in recycling, with many common household items like clothes, scrap metal, and tires turned into new products for the war effort.
The same spirit of innovative recycling inspired Washington State University’s Taiji Miyasaka and David Drake to invent a construction block from … » More …