"Traditional environmental risks are those that face largely the poor in China, risks like drinking water contaminated with infectious organisms or highly polluted indoor air from people burning wood or other dirty fuels inside homes without chimneys."

VOA: standard.2010.04.07

They see this as a way to get things done without getting dirty themselves.

NEWYORKER: Covert Operations

He says that "Merck used dirty tactics without a doubt" during this trial, which will be grounds for appeal.

FORBES: Merck Wins Battle, Faces War

"Europeans' perceptions of dirty cash are not without reason, " Ian Thompson, the professor from Oxford University who tested the cash, said in a news release.

CNN: Dirty money? Check your wallet