For decades, dry cleaning plants have relied on the chemical perchlorethylene rather than soap and water to clean clothes.
But the chemical has some serious drawbacks.
If not used correctly, it can cause health problems...and environmental damage.
But recently, more healthy alternatives to perchlorethylene have arisen.
And some Granite Staters are making the move to what's being called green cleaning.
NHPR correspondent Jessica Laferriere reports.
