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Last year, Massachusetts passed new regulations forcing Cape Cod communities to clean up wastewater pollution,

much of which is coming from people's homes.

As a result, towns on the Cape are spending hundreds of millions of dollars to install sewers and upgrade septic systems.

But what if there was a cheaper solution? Some say there is. It's called urine diversion or delightfully,

pee cycling. For science quickly, I'm Rachel Thelman. You're listening to the final episode of

our three-part fascination series on Cape Cod's water pollution.

We're calling this episode liquid gold.

This week, W-B-U-R's Barbara Moran is taking us to Falmouth with his wife,

Hilde Mende. There's a huge vegetable garden and fruit trees.

Oh, there's chickens. Oh, it's like a country club for the

chickens. But I'm not here to see the chickens. I'm here to see the bathroom

because Earl and Hilda are known on Cape Cod as the power couple of pea cycling.

Yes, they recycle their urine. All those luscious vegetables are grown on what Earl calls liquid gold.

...