This is the 1327th most frequent Polish word.
odpadów
"Odpadów" means "waste" or "refuse" in English.
The word 'odpadów' is used here in the genitive plural form to refer to various 'types of waste' as objects being acted upon.
Musimy posortować różne rodzaje odpadów, aby skuteczniej je zrecyklingować.
We need to sort different types of waste to recycle them more effectively.
In this sentence, 'odpadów' is part of a noun phrase that signifies an environmental topic related to 'systems'.
Systemy przetwarzania odpadów są coraz bardziej zaawansowane technologicznie.
Waste processing systems are becoming increasingly technologically advanced.
Here, 'odpadów' is used to describe the act of illegally discarding 'waste' as a key issue discussed.