I do a day at a time, make small changes to reduce my footprint on nature.
Today was a trip to the markets. I take my green bag and a handful of my stockpile of reused paper & washed plastic bags. (I'm hoping one day my stockpile is more paper than plastic) I only use the bags for when buying a number of things - like squash, or tatsoi (japanese green leaves). For mandarins, garlic etc, they just go straight in the green bag.