You will be given a definition of a task first, then some input of the task.
You are given a sentence in English. Your job is to translate the English sentence into Polish.

And also, as an increase in extreme weather events due to climate change, they're expecting more waves to come in over the fringing reef, which will contaminate their fresh water supply.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
I jako że wzrost ekstremalnych, zjawisk pogodowych powoduje zmiany klimatu, oczekują, że coraz więcej fal przełamie barierę raf, co z kolei zanieczyści ich zapasy słodkiej wody.