english: And two, if you think about it, every city in the world has a unique litter fingerprint, and that fingerprint provides both the source of the problem and the path to the solution.
non_english: A po druhé, ak o tom premýšľate, každé mesto na svete má unikátnu odpadkovú stopu, a tá poskytuje oboje – príčinu problému ako aj cestu k jeho riešeniu.