Duo chuckles as he stands behind the pair, unconciously falling into a bodyguard role. He has his unactive scythe in hand and his head turns back and forth as he keeps an eye on Sheik and an eye out for Ruto or anyone. "So no chuckin' anyone in the water. I'll remember that."

He sighs a bit and shakes his head when Link has to ask that question. "Pollution, ya know that stuff from factories... no ya don't. Ummm... ya know when ya burn somethin', smoke and black stuff and other things come off that? Well things like that can be pollution dependin' on what you're burnin'. It's like bad air."