By sabotaging key dams and sewage processing plants,

Sewage treatment facility.

The waste systems all connect.

Michael Pritchard Okay.

The dome has an incredible amount of water that washes off of it, as well as wastewater.

We also set up experiments in San Francisco at one of the three waste water treatment plants, again a facility to test ideas.

When she came into my life, we were fighting against a huge waste facility planned for the East River waterfront despite the fact that our small part of New York City already handled more than 40 percent of the entire city's commercial waste a sewage treatment pelletizing plant, a sewage sludge plant, four power plants, the world's largest food distribution center, as well as other industries that bring more than 60,000 diesel truck trips to the area each week.

This is the city of San Francisco, which has 900 miles of sewer pipes under the city already, and it releases its waste water offshore.

But they have no incentive to do so.

San Francisco is also spending 40 million dollars to rethink and redesign its water and sewage treatment, as water outfall pipes like this one can be flooded with seawater, causing backups at the plant, harming the bacteria that are needed to treat the waste.

We know, because in the mid 19th century, wonderful Victorian engineers installed systems of sewers and wastewater treatment and the flush toilet, and disease dropped dramatically.

And then you had networks that developed.

Sewer rat!

Sewers.

The sewers?

Waterhole.

Fourteen people live in this place.

It turns out, atrazine is the largest selling product for the largest chemical company in the world.

Tunnels leads to the sewers, sewers lead to the storm drains... Storm drains leads to sea.

Waterproofing the building was a bit crazy.

It was the greatest disaster in the history of the State of Santa Catarina.

This is the old sewer.

125 for septic.

Water, water, water.

Near the waterhole.

On the nice soft... water.

This is a plumbing part. It's called a ptrap.

The other one's down by the water.

So, by thinking differently, and processing water at the point of use, mothers and children no longer have to walk four hours a day to collect their water.

Back to where he belongs The sewer!

And this is pure drinking water.

When the river rises,this spot must be underwater.

Oh, also, you'll probably have to deal with an occasional crisis

Give me a glass of water, please.

Please give me a glass of water.

A glass of water, please.

It makes you want to stop working and discuss my case?

H2O SALINE SOLUTION

But by 1929, cities around the country had put in underground water pipes.

So, I sent them to Boise, Idaho, where they dropped a plastic bottle into the Boise sewer system.

I can tell you, it is not heat stress.

Where in the sewers?

And then it is 40 feet deep.

Queensithe slaughterhouse

And when we were walking through the narrow alleys, it was literally impossible not to step in the raw sewage and the garbage alongside the little homes.