narrator: in 1994, the government adopted a combined sewer overflow policy to reduce csos nationwide. cities with combined sewer overflows now face an enforcement action called a consent decree. under a consent decree, a city must reduce pollution levels significantly within a strict time frame or face heavy fines. in 1960, the combined sewer overflows were a perfectly legitimate way of dealing with sewers. woman: the mind set was that, what did it matter if we were sending our waste downstream? water was a good conveyance for pollution. man: sewer systems are installed to reduce public health problems. now what you're doing is transferring the problem, you're transferring it to downstream cities. in addition, cities and towns above pittsburgh were doing the same thing. and then they were affecting the water intakes of pittsburgh. 90% of this region gets its drinking water from those same rivers that we have overflows occurring. hecht: we have sewage overflow with as little as 1/10" inch of rain. and our average storm here is a 1/4" storm. lichte: over a year's period, 16 billion gall

caso ceado, siempre ha sido una mujer con los panlones bn pus que diceas cosas como las , por eso no csÓ telemundo en excluva >> dentro de los prÓximo 5 aÑos en estados unidos se lell za en el paÍs entero, no solamte para mÉdico, no solamente para uso mÉdico si noara entretenimient es algo realmente tural s puede utiliz para entretenimiento d una maneraeda con lÍmites, etc creo que e mej que es mejor qu el alcohol, liencia laociedad y el gobierno q es sustaia beneficio sa, mucho mÁs beneficio sa quetilizamos para entretennos y relajars no. h ¿estas diendo que si la probado? >> absutamente en lugares en donde es lega >> bueno, las declaracionese la presentora fueron realizas en losngeles en lleva a cabo una serie d programas especiales >>abndo de suelta la , vamos a ver que tienenara maÑana jorge bernal y s compaÑera en el programa. suelta la sopa! >> le tenos los sretos mÁs picantes del mundo del espectÁlo. >> tenemosna exclusiva que nos vitara sabrina que estÁ reÉn salida del hospital con 5 litros mes en cad seno >> tremend grande disiÓn y tenemos imÁgenes de la traesa sofÍa cas estnand

untreated raw sewage, is diverted straight into local waterways, creating a combined sewer overflow, or cso. there are over 700 communities in the united states with combined sewer systems. the other approach was to separate wastewater from stormwater, using two pipe networks. this separate system simply carries the stormwater away from the city. but even separate systems pollute the watershed. in developed areas, concrete and other impervious services prevent water from naturally soaking into the land. as the rainwater moves over the roads and concrete expanse, it captures trash and invisible chemicals, sending them straight to the nearest waterway -- untreated. when engineers first designed america's water infrastructure -- the drinking water, wastewater, and stormwater systems -- they were some of the most advanced in the world. but the infrastructure is growing old. and population growth and development, particularly in urban areas, have made it difficult for original system designs to meet modern health standards and reliably satisfy demand. man: our water and wastewater systems really

inching closer to becoming a publicly trading company, releasing a video about the company and the cso meeting with bankers that will help lead ipo. executives practicing for the road show which kicks off next week. they'll pitch inventors on why they should buy shares of the company. hbo no longer just for premium customers. comcast will offer hbo part of a basic cable package including ten channels and innet channels for $50 a month. mozilla released a tool that awill yous which sites are tracking their internet use. it's a refresh of a previous tool. u.s. stocks sending s and p to a record high. your bloomberg silicon valley index falling led by a drop in yahoo shares. and ads on the way to instagram. the site says it will roll out a sample ad incoming weeks paid photos or videos will have a sponsored label, and instagram says brands that are great members of the community will be part of the ad rollout. from bloomberg studios in san francisco, i'm emily chang, larry, carolyn, back to you. >> thanks have a great weekend. up next, singer james tailor flubs the national anthem but rec

the cso. gerri: amazons story is often written off entirely by the insiders and technology.and here's why. they don't like it because it is essentially a retailer. it is like walmart. it is like margaret thatcher. she came from a family of retailers' command that is considered not interesting compared to what else you can do on the web. you think that is shortsighted. >> absolutely. retail in this case is not just the consumer it is business to business and there are margins. they are not willing to talk about a company that if compared to walmart and target and one day may exceed the sale annually of wal-mart's. what an interesting, interesting person. a very good ceo. he has grown the company from the ground up. and at a certain point in time he decided he wanted profitability ten years ago. he had a profitable amazon. today he invests in the future. he is investing in the big performance centers and building them in areas of the country where jobs are needed, where houses are needed, there is opporunity. it creates jobs in entire towns. it is a special person busy lead th

yesterday's facebook cso said last quarter u usage among teens was stable but we did see a decrease inaily users specifically among youngers yo s teens are not as much into the site as they once were. the landscape for social media is different then it was years ago. >> today this are hundreds of sites to share photos and stickers and the choices don't have your parents on them like nicfacebook does. >> if your parents are on it it's not cool. there is one teen who is a pluggebloggerand she said i'm 1f micmy friends use facebook. it's because the parents are on it and it's trending. >> and if facebook is not trending teens don't carry. what do teens care about? we caught up with ruby and this is what she had to say. >> a lot of my friends are on vine and you can make videos for six second and everyone likes instagram and vine. twitter is having an uprise and people are starting to like twitter and a lot of people are starting to get twitter and everyone has an instagram. >> instagram was bought by facebook last year and another site is snap chat that is getting a lot of interest by tee

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