Smelly in Salwa

I noticed in yesterdays Arab Times that an Egptian worker was killed when he was investigating drains in Salwa. Apparantly he was down a manhole and took off his mask to talk to a colleague and was overcome by toxic fumes!! This isn't the first time this has happened. I recall a similar incident happened a year ago, in Jahra I think.

How come there's toxic fumes in drains? What kind of toxic fumes are we dealing with here? What is the source? How is the low level of toxicity that we're all receiving on a daily basis affecting our bodies? Why isn't there more of an outcry about the environmental situation in Kuwait? Does anyone in this country care? Am I a voice in the wilderness?