It felt like it would never end. But, at long last, the curtain is closing on 12 extraordinary months that were strange and unprecedented, to say the least. The conversation certainly was vibrant. In January, Procter & Gamble, TerraCycle and Suez joined the Ellen MacArthur Foundation, the circular economy think tank, at a World Economic Forum panel in Davos to talk about a plan to increase plastics recycling to 70 percent within three years; it’s currently around 14 percent.