Valves control fluid flow and regulate pressure.

For all the activities like shaving, showering, grooming etc.

You had water, sewer networks that allowed for this kind of unchecked expansion.

The waste water that leaks out is water that already now goes into that coastal environment, and the algae that leak out are biodegradable, and because they're living in waste water, they're fresh water algae, which means they can't live in salt water, so they die.

Over 2.5 billion people in the world today do not have proper access to water and sanitation.

But there are still major problems in local infrastructure, such as paving roads, sewage and water supply.

According to the organisation, half the population in Rio de Janeiro is still without mains water and sewerage . This accounts for nearly 3 million citizens who are to drink dirty water or throw sewage directly into the rivers, lakes and beaches of this wonderful city .

If you include all the drain, it takes more than a hundred pints of water to make a pint of beer.

The street grid of the city of Lima is laid out with a system of plazas that are similar to roundabouts or junctions.

This uncontrolled growth has caused significant difficulties in terms of traffic, sanitation (including access to safe water), and pollution.

Urban planning guides and ensures the orderly development of settlements and satellite communities which commute into and out of urban areas or share resources with it.

It's a city with about all streets of urban zone paved and services of water and sewage to all people.

Dhaka's unclean water bodies including an inadequate sewage system are blamed for the growth of mosquitos and the diseases they spread.

I heard that there were alligators in the sewers.

Armstrong and his friends had no water they bought it from a nearby tap owner no toilet the families in this compound shared a single pit latrine and no sewers or sanitation.

Imagine having to hang your mattress close to the ceiling because the sewage system often clogs and floods the room with dirty water up to 40 centimeters high.

Often what jams us up is sewage.

Another common complaint relates to the sewage smell inside their houses.

So we may be able to go beyond that when thinking about this system that I'm showing you, and that is to say we need to think in terms of the water, the fresh water, which is also going to be an issue in the future, and we're working on methods now for recovering the waste water.

Therefore, they want to assure that the community has the right to legalization of the occupied lands and gets urban infrastructures, such as water supplies, to improve the neighborhood.

Michael Pritchard Okay. We've got some runoff from a sewage plant farm.

The sewage is still thrown in the bay with virtually no treatment.

So different cities around the world treat their waste water differently. Some cities process it.

One exposes the problem of sewage spill on São Conrado Beach.

As of November 2010, less than 50 of the city's sewage receives proper treatment.

Well, the reason we're doing this offshore is because if you look at our coastal cities, there isn't a choice, because we're going to use waste water, as I suggested, and if you look at where most of the waste water treatment plants are, they're embedded in the cities.

It is a little bit like having a waste treatment plant right next to an amusement park ...

If it weren t for the problem with the sewers, we would already have built the house.

We wouldn't tolerate our parks being swamped by human sewage, but beaches are closed a lot in our country.

When untreated, sewage can have serious impacts on the quality of an environment and on the health of people.

New Orleans As the eye of Hurricane Katrina swept to the northeast, it subjected the city to hurricane conditions for hours.

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

The Riacho Salgadinho is also the destination for most of the sewage system in Maceió downtown.

At the same time a treatment plant that would treat the waste water before reaching the beach was created, but the Rio Águas , which is responsible for the station, does not do its work and dumps all the sewage in natura through this culvert.

Baby Gagagagagaga Gaga gaga gaga guga guga guga wada gaga gaga guga gaga wader guga guga water water water water water water water water water.

The pyramid, if we jam things in the bottom, can get backed up like a sewer line that's clogged.

In southern China in particular, toxins have been discharged with sewage by mining operations and made their way into rice paddies.

An intermediate step is often involved, such as drinking water contaminated by faeces or food prepared by workers who fail to practice adequate hand washing, and is more common in regions where untreated sewage is common.

Regal executed his finisher, the Regal Cutter, on Stratus and Stephanie then dumped sewage over Stratus' body.

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

Água Branca may refer to Água Branca, Alagoas, a municipality in Alagoas, Brazil Água Branca, Paraíba, a municipality in Paraíba, Brazil Água Branca, Piauí, a municipality in Piauí, Brazil

And if we jam nutrients, sewage, fertilizer in the base of that food pyramid, it can back up all through it.

The wastewater produced by the city still is not treated and is discharged raw in Santo Antônio River.

In contrast, tornadic waterspouts are stronger tornadoes over water.

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.