Recycling takes time
This brought home to me how time intensive a more sustainable lifestyle can be and how time pressure promotes unsustainable behaviours.
One example: I forgot to pack a cardigan for my trip, so I needed to buy one, as I did not want to wear a business blazer for 5 days. Ok, I bought one knitted in Scotland from organic wool, but still...
But maybe this could be a new design challenge: Recycling on the go - How to make the most of your waste when travelling?