in this case we have a river that quit flowing as a year-round river for about 30 miles. >> reporter: river began its return in october 2009 as water flows from friant dam were gradually increased. already the river is wet from the dam to the delta. >> restoring water and restoring the habitat will help bring back our historic salmon runs. but there are a lot of other native fishes that will benefit from restoring the san joaquin. there will also be a lot of habitat that's created along the banks, and that's going to benefit a lot of migratory birds that fly up and down the central valley every year. >> reporter: since friant dam was built the east side of the central valley has been some of the most productive farmland in the united states. under the settlement farmers will be required to restore 15% to 17% of the water they've been taking. and many of them are nervous. >> all of us are going to be cut back severely. we just don't know how much yet. originally, we were all flood irrigation. we are now putting in microsprinklers, drip irrigation. >> reporter: while growers make change

or some other river system. that's very much under debate in the scientific community right now. its the first order of question. a few percent have

or some other river system. that's very much under debate in the scientific community right now. its the first order of question. a few percent have a very very large impact, so this that's one of those things that there are a lot of studies going on and i think is a scientific issue, which probably will get more refined and we'll get better at that one. that's where i stop. thanks. [applause] >> afternoon. i'm barry nelson with the water project here in san francisco. i'd like to start by thanking the city for pulling this conference together and note it's in some way as real landmark event. this is, i think the first conference i've attended with water manager's. this is the first one where a significant portion of the event is not devoted to whether climate change is real. i think water managers really in the last couple of years have moved past that and now we're ready for the next step in that discussion, what are the impacts of that and what can water managers do to adopt their operations appropriately. th

kharaghani: the los angeles river is approximately 51 miles. concrete reduces the size of the river that you need to carry the water because it speeds up the flow of water. if you'd like to remove all the concrete and to have natural system to carry the water to protect you from flooding, you need to have almost one mile on each side of the river set aside for transport of rain. so in order for the city to have use of those lands around the river, concrete made it possible to have minimum land so the water can be carried to the ocean in the fastest possible way. but, unfortunately, because of population growth and poor housekeeping, people are putting a lot of pollutants on the street and the streets are the openings to our stormwater sewer system. in an average year, 4,000 to 5,000 tons of trash ends up in long beach. man: we've created a system to deal with flooding but inadvertently created a pathway for pollution to get into our waterways. narrator: los angeles county is beginning to develop ways to reduce the infrastructure's impact upon t

here's what the kalamazoo river looks like from above.e the dark oil coating the top of the river. the oil spill dumped from 800,000 to some estimates of 1 million gallons of oil into the waters in calhoun county. the company that runs the pipeline, enbridge, says they first found out about the problem because of a reading hundreds of miles away. >> our control center located up in edmonton noticed a drop in pressure on our line 6b. they contacted our local pipeline maintenance crew and asked them to do a visual inspection of the line to find out what was going on. upon that visual inspection, they noticed that there was oil released. >> according to enbridge, the line was shut down immediately after crews saw oil. isolation valves are on either side of where that leak actually occurred. >>> the severe storms that hit west michigan last week are now playing a role in how quickly the oil could reach lake michigan. wzzm 13 joins us from the weather center with a look at where the oil is going. >> the national weather service says it could b

feels like it's a war a lot depends on how soon they manage to retrieve the barrels from the river we still don't know how much of the has a disputed area list still in the river even if only a few of the full barrels leaked toxic chemicals into the water no matter where this happens the effects on the rivers biological resources will be huge and extremely negative and if a few of these chemicals come into contact with a person's skin they should immediately see a doctor as for the urgent measures taken by the or thorough twos because of the incident the situation looks much better than five years ago when a similar incident occurred the chinese authorities quickly provided the necessary information and some high ranking officials are present on the scene but russia and china should definitely work more closely to prevent the high risks posed by the fast growth of china's economy which results in incidents like this. for months from the russian branch of the world wide fund for nature woke up per later this hour here in r.t. beefing up colors could transform russia's region of kaluga

so their search led them to the nearby schuylkill river. philadelphia developed technologies to pump water from the river into the city. these technologies established engineering concepts that are still the basis for our water systems today. europeans flocked here. it was a destination point to see the new world technology. when charles dickens visited us in 1840, he was truly blown away by high water pressure on the fourth floor of the hotel he was staying in. nowhere in europe had he experienced that. this technology was doing something to support the life and the growth of the city. philadelphia, throughout the 19th century, was the major industrial city of the united states. all of these industries used water from this system. and it served as a prototype for many american cities, including pittsburgh and new york. man: new york city went to philadelphia and said, "you know, we're thinking of developing a hudson river water supply -- what do you suggest we do?" and they said, "we've had "a lot of problems on the schuylkill. "don't go t

holidaymakers have been evacuated from recreation centers and holiday camps and transported across the river. so quickly that they even. exploded in a woman with a child to become farm and forest rangers are in over their heads trying to contain the blaze with the sun going without rest for the time forest ranger alexander has been fighting the fire for five days with only a shovel in hand. they were all sent to do. the situation is no better in the region and the locals aren't. both up welcoming or using our. people running away. we're not getting any help whatsoever we need more equipment. we were using axes shovels just whatever we could get everyone who could stand talking to work everyone who had any equipment. russian prime minister vladimir putin arrived at. on friday morning to assess the damage devastated residents had no qualms about airing their grievances was wish to definition i want to tell everybody. all the houses will be rebuilt before winter i promise you all diligence will be restored but you know a tough but necessary task before the cold weather sets in. after this unusu

and so for the past decade, the city has embarked on a program to clean up the river. now, with 1,800 miles of sewer system, three sewage plants and combined sewer overflows, it took a number of years to figure out what would be the solution. we are facing a crisis in infrastructure. bethea: a huge change came about when mayor shirley franklin became the mayor of atlanta. we're having to choose how to spend our money. i named myself "the sewer mayor," and i wear that title very proudly, because, without wastewater infrastructure and drinking water infrastructure, the economy will stop. we did a major outreach. we trained an outreach team, who went to every community meeting, to educate people on how bad the crisis was. not only did i tell people that we'd have to raise rates, i told them we'd have to tear up the city to repair this infrastructure. man: you can't simply say, "i won't use any water, it's too expensive." we have about 25% of our population that's at or below the poverty line, so you have to look at rate structures that are tiered so the people can pay the

. >> in california's central valley second longest river in the state has been dry. of the mighty of the san joaquin river has been feeding farmers but the tap has once again been turned on. as dan ashley reports, now the real work is set to begin. >> the san joaquin river was once big enough to carry steamboats to a booming fresno. the lush banks and gentle waters provided relief on hot summer days. in the water a plentiful run of chinook salmon bred at. historically salmon population ranged in the hundreds of thousands. >> there are no salmon here anymore. in fact, until this spring, long stretches of the san joaquin river had been wiped off, cut off from the water that once flowed past. this was the plug, the dam that was completed in the 1940s to provide water for the farms that sprang up in central valley and for flood protection for the towns down stream. >> by 1945, canals that take water from the dam were completed. that is really when parts of the san joaquin river begin to dry up. >> monty is with the natural resources defense council. he is win of the numb

system in this case the american river in a given year. here's when,folsome damage was built. these are the flows when they did not have the operations for flood management that's how you would study the reservoir. now look since it was built. six of the highe flows recorded have happened since the damage was built. has the corporation changed the criteria, no. we have been aware of this from some time. this is feather river and,orville, was constructed here and if youed a 06 you would have four of the highest flows that have occurred since we constructed that. from a flood stand point we're not taking this into consideration. in terms of the roll or rule terms there's not much change in those. final example is san,jaoquin, refr, you see 2006 is missing. there's a couple of points. one, the flashier nature that will continue as we lose snow back. the other is from a flood standpoint, but if you think about the hundred year flood has a chance of occurring one in a hundred years. most of that analysis was done in the first or middle of the p

this is the jubilee river. it is basically a duplication of the river thames. we are likely to see more conveyance solutions of this type being constructed in the future. many of you will be familiar with the thames garage project. this has been in operation for quite a number of years and essentially protects the whole of the essential london area from rising sea levels. this will have to be replaced with a much bigger barrier in the future and starts have already been made on planning and estimating costs. it will be totally impossible to defend all coastal areas from sea level rise in the future. it is only the high value areas where we will be able to afford such protection from coastal changes. in our urban areas as well, as i said, we will not be able to afford simply to increase the size of our infrastructure to deal with the increased storm events we will see as a result of climate change. this is a picture of severe flooding in glasgo, scotland in 2002. you can see the contribution that the drainage system is making here. you can see the water streamin

and experts say they could reach the border within several days the drums were swept into the river in northwest china after the worst flooding in a decade deluged factories nearby. reports from russia's far east coast to the border with china. the river is one of the biggest sources of fresh water in russia's far east and in the city as world water standing now and its ecology is still under up with threats because china is just several dozen kilometers away from here and so is this sand for river which joins the army where the place where this emergency happened to be chinese authorities do say that they've managed to extract several thousand barrels which have been previously washed into the river as a result of the biggest flood in a decade the china has experienced several more thousand barrels are still in the water in the sun for river and or en route towards the end towards russia china has built eight beers in order to prevent them from getting here but there are several factors suggesting that anything could happen for example out of the seven thousand barrels which of ini

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the river is one of the biggest sources of fresh water in russia's for east and in the. world standing now and its ecology is still under up with threats because china is just several dozen kilometers away from here and so is this a river which joins the where the place where this emergency happened the chinese authorities do see that they've managed to extract several variables which have been previously washed into the river as a result of the biggest flood in a decade the chinese experience several more thousand barrels are still in the water in the sun for river and or en route towards the border and towards russia china has built eight beers in order to prevent them from getting here but there are several. actors suggesting that anything could happen for example out of the seven thousand barrels which of initially got into the water three thousand of them contain toxic substances including acids which make it cause harm to humans and animals and it's not clear how many of these so far extracted barrels actually contain these toxic substances there are also reports t

course around seven thousand barrels to be washed from the chemical storage facility into the soul river and around four thousand of the we've heard reports. of at three thousand containing this chemical substance the clean up operation now well underway concerns on both sides of this day about the potential environmental impact where any of these chemical substances leaked into the water say both sides monitoring this cleanup operation a very closely indeed. the chinese side confirms the accident and said that the taking all necessary measures several teams are connecting the barrels along with or who are riba they're also monitoring the environment in the region so far no changes in the route to quote to have been detected at the same time russian specialists have registered no changes in the water quality for the past several days in the two nearest regions resubmission around the clock would have quality monitoring of their more river and at present there is no health risk for the people living in the area the accident is under the control of the regional and local centers of the eme

on the north east of a country in a subsidiary river in the river which is a subsidiary to the more river which connects russia and china and right now those barrels are heading to russia very quickly according to the estimations they could reach russian waters by the fourth of august which is less which is in less than a week russian emergency services however a saying that there is no information yet about whether there has been any leakage of chemicals out of those barrels but russian authorities have already do monday to assessment so for ten show environmental consequences of this from the from china china is promising that there will be no natural catastrophe but in the past twenty four hours after the barrels were washed into the water only four hundred told them out of seven thousand were taken out of the water but the chinese are saying that only three thousand over them contains chemicals and they are either four thousand to work completely harmless however this is not the first time that russia might have to do with the consequences of a natural disaster caused by china back in

that is a subsidiary to the m river which connects russia and china now the water flow is right now carrying those barrels stuart's russia very quickly and if they're not so well taken out over the water they will reach russian territories by the fourth of august so in less than a week's time the russian emergency services saying that there's no information yet about whether there has been any leakage of chemicals out of those barrels however russian authorities have already demanded so this segment of potential. consequences the environmental consequences over this from the chinese authorities on this one there was the response from chinese officials that there were any of these barrels can be retrieved before the chemicals dess into the river war says. well the chinese authorities promise no natural catastrophe they are saying they have already started cleaning out the barrels from the waters however. in the past twenty four hours since it happened only four hundred barrels out of seven thousand have been taken out so if the water meanwhile chinese authorities are saying that not

do say that they've managed to extract several barrels which have been previously washed into the river as a result of the biggest flood in a decade the china has experienced several more thousand barrels are still in the water in the sun for river and or en route towards the border and towards russia china has built eight beers in order to prevent them from getting here but there are several factors suggesting that anything could happen for example out of the seven thousand barrels which of initially got into the water three thousand of them contain toxic substances including acids which make it cause harm to humans and animals and it's not clear how many of these so far extracted barrels. actually contain these toxic substances there are also reports that some of the barrels may have sunk to the bottom which makes them up attentional future of threat for the ecology and also obviously makes it much more difficult to extract them to the surface this is not the first time that china has it's because experienced such problems back in two thousand and five a huge chemical spill has left m

emergency workers in china are struggling to recover thousands of barrels of dangerous chemicals from a river in the northeast of the country the containers were washed from factories along the song river by heavy flooding but if not stopped the toxic substances may reach the russian border within two weeks so if earth reports from outside the chinese embassy. the chinese media reporting that thousands of these barrels have now been retrieved from the song. thousands more remain in it floating towards towards russia now of course the song was a subsidiary of the a moon river which it joins the a more in russia's far eastern territory and it would take on two weeks of these barrels to reach the now what we're hearing is that the chinese authorities are saying that that's unlikely to happen the barrels run likely to reach the a moon and they've actually pitted eight barriers as a preventative measure to stop them crossing into russian territory now this is close happen with the flooding that's happening in china and that's the worst flooding that china has seen a familiar decade and this close

toxic chemicals into the water no matter where this happens the effects on the river. will be huge and extremely negative and the few of these chemicals come into contact with a person's skin they should immediately see a doctor as full the measures taken by your forty's because of the incident the situation looks much better than five years ago when a similar incident to coat the chinese authorities quickly provided the necessary information and some high ranking officials are present on the scene but russia and china should definitely work more closely to prevent the high risks posed by the fast growth of china's economy which results in incidents like this. but of course you have going to farts from the russian broad. well dwight fund for nature well coming up later this hour for you here on r.t. beefing up a region to produce the best meat in the world parties closeout team brings you the details as it embarks on another adventure revealing russia's most fascinating and little known areas. in germany there are fears dangerous convicts could soon be living freely in

draw down the river 25 feet and see if our models are right. there's a lot of things we can do with models without physically doing it. there's compelling scientific evidence that posted challenges to our water systems. unfortunately, there's pretty serious evidence that we may not about quickly or effectively enough to prevent some pretty extensive consequences for us. i think that's a problem. . manager's must use current tools but also look at future risks. policy manager's have the opportunity to do this. we already manager for variability and risk. we build homes in earthquake zones not knowing how big or when the earthquake will be. but we manager risks and we have lots of tools for doing that management but we're not doing enough yet. either in planning or actually on the ground action. we do need to take more on the ground action. ultimately the impact will depend on our ability to for see major changes and do the analysis and adopt and implement changes and this is in the face of surprises, because as much as we know, there will be sur