You may have just hit on the solution. With 6am and 10pm prayer broadcasts, they could affect the habitat of animals. Find an endangered bird or mouse that has its' numbers dwindle from this. Get PETA, Sierra Club, and all of the other leftists to wage this battle against noise pollution.
"It is a form of environmental pollution"
Hey, don't they sacrifice poor little goats in rituals? That is cruelty to animals and must be stopped by any and all means, don't you think?
Environmental wrath is always selective in its application. The greenies will NOT oppose anything Mohammedan because they are allies in the same cause, the destruction of Western Civilization and especially its most virulent manifestation, America.