legacy of this wide spread races, depression, today, the screen we need to talk about here, the stories, shadows of german colonialism. the last things in life on 12 minutes. then why try to preserve them or hold it onto the hello and welcome. i'm sorry because the body and you'll watching so many aspects of life nature and also rounding with all of us. and maybe even the generation oft, it us like this ancient but nature is precious and it is less present where all the boxes that i saw growing up. i remember watching hundreds of them as

they slipped out across the sky. human activities and habitat last are a few among the many to have that bugs face today, which have also led to a decline in the numbers, a young man from india's desolate stage overall, just con is walking with an organization to get these bugs back into the sky, the colorful guides are everywhere, and god, just con in january, millions of people fly them to celebrate mockers and cannot be the human do festival that mocks the start of the holiday season. what is beautiful to look at though? can be very dangerous for books. that's when we bring that up, but i at the steps in front of rescue mission a load. i'd be happy positive. that bird is with you right? to get him loading because we are on the way. give us what he did. remember one thing the 23 at old is working with the duck shop, an organization in chapel that specializes in the rescue and rehabilitation of

injured boards and the wildlife. hey, how's it going? we have received a boat as you call from months or what about 5 kilometers from here. they said that a bird collapsed in the night and it is not able to fly during the winter months when thousands of my v 3 boards flock here hoping that it finds himself responding to many more cause he has been working as a rescue volunteer for 7 years and is experienced in dealing with literally patients like this one guy that did come here from yesterday. it's a pigeonhole that has a deep got in its wing. and what am i going to do it by your mind to a chinese mondor is used to fly many of the guides here. it's a string that's quoted without a gloss, despite the band it to use for assist visiting slide. so she's awesome and gone to

the incidents of boarding duties involving guide strings. yes, i gave you what a lot of total and then less and then the house in that it was a tide. you know, i don't this region and um, it was full throat and full of that. you can see the, the, the, so i have to come to visit and i've done this in the study and i've kept them flawed for the basic and say of the morning. so thanks to the new game, the morning and the good. thank you. during the 4 days of the macro, some good id card, fine festival, the board rescue was to receive between 700 to 800 calls well being that it has been trained to deal with birds homes by glass quoted guide strings. i stabbed them in either them. would you be as good as when i joined ios dog, how to handle a bug or if a bird is what i can do? if it's the only thing that on the lock will because it's in pain with the men, doesn't understand what's going on by going what we need to color. it's eyes,

we use those to whole data. what's up with all this is also thought to new. i learned to use hand to join the check the them to got the shows up, but the new building did update. despite the board, rescuers efforts, not every board injured by guide strings can be saved. the animal rights groups b dot india says this stable string means and kills pauses of birds and will lead the kite string. that mines are now is so strong the, even a as old folks are flying in so it would just wouldn't break. and then that will cause these horrible traumatic injuries. i believe there's some research being done . and so what time is the dies last slide, it goes back to being just that because roger's don is a massive pathway for me. my grocery bags like say, and huge numbers into it. so i would just ask people to consider the knock on effect to flying kites. and this time of the, for me, it was witnessing such a hot breaking incident that inspired ro hip us to establish the board,

rescue and do back in 2003, i got to get with 4014, i was writing on my 1000000000 and there's a board, which filled right in front of me and i couldn't tell the board and the board died . so that the time i started thing like, i think the board will, you know, come back to life, but it didn't. so i was really upset and i thought something has to be done for this. this is what i taught. and by next year we started that school work the boards in not only access to building the site festival city goal to is also putting even populations under pressure. the expansion of the concrete jungle is encroaching upon natural habitats, leaving boards with limited space for nesting and feeding. our recent report on the state of india as boards found around 60 percent of species out in decline. the trend is concerning because birds play a vital role in particularly cities,

we have had project loss on areas are being developed. houses are being constructed, big buildings are being cause, be constructed. and of our development, the practice of such that they're actually driving the birds over the very database, very helpful in cross 188 and uh uh they help us and controlling the populations of the insects on so best song. so there are many birds, for example, locusts. if you look at the low cost, the low cost school, right, the dentist derek the entire fields. because of the fields. if you have birds there, the feed on low cost. the damage caused by the lo locust, b, contorted by the birds also structure. save it, save more than $13000.00 birds dislike at any hospital. the theme forest assess is

the patient's boons and determines whether surgery is necessary. once they've covered, the boards are set. see again on the lease check. so generally it's one of the nice checks will be generally check more tied. the board is lying. is it able to port it's going it's arch exhibiting. it's and actually videos this bird of prey has already covered well, and is now ready to leave it up, chas shut up. it's always a moving moment for the board. rescue was to see one of their patients spread its wings, antique to the skies. again, the around a quarter of the water sign is degraded. among other things, this means that is lax critically new to you and so that we need to go off which one of these nutrients is fox sports, a chemical elements that the was, is running out of. so how do we replenish it?

was the answer lies in our new rigs that you had. that's right. find out fail, says a center of those dna and seats, 8000000000 people, phosphorus, an essential element that sustains all life on earth. it's also in your p more than that later. the vast majority of it goes to making fertilizer. why? because without it, we wouldn't be able to grow enough food. the problem is that there's a finite amount and roughly 70 percent of it comes from one place. the bigger problem is that we're wasting most of authority there. every individual is just throwing away it left the bread every day. for countries like india, which is 90 percent dependent on imports, the dwindling access could be alarming. plus, phosphorus is also causing some massive algy issues. but if the world's food security depends on it, what can we do about the potential shortage? what alternatives do we have and cut our own p save us. thanks to a german scientist boiling hundreds of gallons of urine in 1669,

we found phosphorus, the 15th element, and a periodic table from dr. q was trying to find out how to make any right. what is phosphorus? all organisms need fast, 10 essential nutrients. and an essential component of life. this is barbara k manager. she's a renown, so assigned to space and scott warm canada as part of our team, hey, it's hard as far south was concerning past, let betts. it's part of our, our and i today roughly 80 percent of the world's phosphorus is use for agriculture because that's a structural component of cells. it's essential for cell division implant development. without enough of it plants or stunted and don't yield as much, we've been increasingly using these chemical fertilizers on farms since the post world to period. together with crap engineering, it spread the green revolution. this on massive increases in crop yields, especially in the global south and places like india, n 1916,

a less than production was like, yeah, it will be the medium since last year. i would really like to production which step $315.00 days. and i'd like to share yeah. as a scientist at the engine institute as swale science. i definitely will give this credit before i close that application because before it was there was no knowledge about that. worldwide. fertilizer use increase 6 times from 1950 to 2000. so where do we get all of it from? so to answer that question, we 1st need to show you the worth, the longest conveyor belt system which can be seen from space. it's transporting the raw material phosphate rock from the blue cross line across the western sahara desert. roughly 70 percent of the growth reserves are in the western sahara, heavily disputed territory currently controlled by morocco, which the un size has been unlawfully occupying the area of rebel army has been fighting for its independence. the largest reserves are spread across north africa,

followed by china, brazil, south africa, and saudi arabia. the scarcity mix price is extremely volatile during the global financial crisis in 2008 shortage and phosphorus, fertilizer shop prices up, 500 percent. and fueled riots in places like india, kenya, edge area, unpackaged on, fussy rock is a non renewable resource, and we can substitute it integrates for getting some, some scientists of one that we're approaching peak phosphorus, a barbara seems to think otherwise. iris child seventies. i remember. well, and yet, have we actually reached the cloud with as a crisis now because it becomes economically feasible to find alternatives. in fact, less than 20 percent of the phosphorus used in agriculture actually ends up in the food beat. that's partly because the phosphate fertilizers, new tories, the inefficient it binds easily with other minerals in the soil, which makes it unavailable for plant blood and they get 950 or fos put us. you

apply this ever to get don't. they didn't get this from what people do yet as to what and body, but maybe 80 percent of that would be best if you didn't inside. that's why the industry solution is to check more on to the soil. faster suppress, relatively cheap, adding a bit as good as a marble guarantee profits. this accumulative, fos for us is called the legacy phosphate. how much phosphorus is lost in this? i'll also depends on the c o p h to set up like an work climates and it will bind to iron and aluminum to alkaline. it'll react with calcium. but this has consequences. the use of chemical fertilizers increases the run off of nutrients like nitrogen and phosphorus into bodies of water. if it's huge, if occasion, which kills of oxygen, it also causes mass of alco bloom's, which can be toxic and produced 1st warming nothing when they die. contaminated water is lagging through southwest providers. shores. and francisco bay area is experiencing a toxic eligible. and it's not just the waste from agriculture,

if it's rampant foss versus everywhere in our food or tap water. and so if we consume a lot of it, then that means it's essentially what's coming out is the same. this is janice, done. i call, she's the research or the swedish university of agricultural sciences and also started a company that turns urine and feces into fertilizer. one out of 10 people are like that and then and then took nutrients better in urine is enough to grow at 500 grams of weight. so basically it means you're, you're and you can be grow, you can be producing a loaf of bread every day. she and her colleagues designed a system that essentially boils down her x squared and retains its nutrients towel with a your endeavoured and toilet these toilets can get expensive and it leaves the problem at the individual consumer agenda. so she's been approached by building companies interested in installing them in new houses. and her company already has

a partnership with speed is public toilet frontal firms. if we were to breed circulate of our year end and we could actually replaced 8 percent of the global demand of foster. yes. unfortunately, household p is just a small fraction of all the nutritious waste on earth. there's also phosphorus and sludge and industrial wastewater, not to mention the newer from livestock and dairy farming. one of the most scalable solutions is to figure out how to get all of that out and reuse it right now. so treatment plans to get the water cleaner, get it. we're not looking at it as extracting resources to run the risk mining resources. but why not the industry? so figuring out how to improve existing technologies to make large scale removal economically viable. there's also been advancements and methods of extracting fos for us from animal manure. there's no shortage of technologies. it's just right now

it's still more cost effective to ship the product from than it is to try to get it from all of these other sources. we can also start earlier in the process and help plans observe more of phosphorus. recent research has shown that certain types of fund guy induct syria could be used in the future to improve crappy old and soil health. in fine, j did these other estimates group of funds a bit of like very good uh, fox sort of categories and it can extend that high cmc kabbage of uh, fox. what else from adf? it's not just an old scientist are still researching how these microbes could be used for large scale farming. however, transitioning to such organic agriculture takes time and could result in your bosses. risk. farmers are hesitant to take or the legislation could help move the market along. the you recently legalize the scale of phosphorus recovered from slide as fertilizer, and is working on laws that will require more of us for us to be removed from wastewater. space is actually quite easy to recycle. the government of the 2nd says

you have to recycle 15 percent of the process. that's been your waste water. and then innovations finally have a chance to come to light and start the implements. likely, the cost of it is going to drive a lot of innovation when it was chief thought value that's i add up to best a kept at that. maybe i'm to stop mr. can general but based picked up by technician that fits there are talking about it. maybe it will trigger the p revolution dump. the odds are not just a problem, wiley exist, but they continue, it'll be a problem even yours after they're gone. broke 6 substances leach into the ground. i'm almost completely destroyed. but that is a group of women in the southern individual summit lotto. we're not just cleaning up these dump yards, but also reclaiming the land and down and get to into something beautiful.

until a few years ago, this was just about in the wasteland. now it's a beautiful garden. we are in a residential area mc. let me do on the eastern edge of gwen. but dude, in southern india, the garden was created by danny moody moving komatt. she moved to the area so that her daughter is good study here to find the balance of the money and not in these places exactly opposite my house. it was just used as a dump yard just uh, when i asked people about it, they said it had been like this for 36 or 37 years because they even found it quite scary to walk past this block. and a lot of the good buy am of the you to call the thing of the money on this one. the one who most inspired her to address the problem was her mental c r. so i mean, not to the former c e o or when the to is b s g college. he supported her idea right from the start but they within order,

but within 20 days he passed away in the state of his ward village and me to change this place seemed to my determination and all that i know. and the general, her 1st step was to do some research. it soon became clear that the land was a so called reservation owned by the state. such it is often live raised and quickly become a dumping ground down. and i wonder if people start dumping garbage some that it's hard to stop them so many what against me. okay. and did randomly and let me go to iris valid beaten long. they were just waiting for me to face. but i took it as a challenge to go to challenging out of anybody. mohan komatsu used a lot of that data before she could get permission to redesign the area. after that, it took just a few months to transform the wasteland into a garden and her neighbors love it. the less i think i'm the one plus about the garden,

is that the flowers that drag different but ideas off butterfly on the a bit of also there are 6 that spend that a bit better. so the kid slow coming here, they call it that, that box out of this box stands out as everything is integrated here, go to the mallor. it's entirely different from other children's box as of a tim been sparked in either on the autumn initially the board, eager to see what this place would become. the other flock of ever get 11 minutes name is henry is determination and hardwell cuz changed it into a beautiful garden. and then one of my kids come to put on. yeah. there are many unused reserve areas including but do that belong to the state, then embody, moving, come out, has now been commissioned to turn them into a box to any of it, and the sites in the model. many, there's a dental n as in queen, but don't have fox that are not maintained people in those areas within reach for cooperation. so in use or even some strangers to take action on this evidence to join forces and change the place that would benefit that entire set out. and

a lot of the let me use logical ones then embody moving combines daughters have finished their studies. she, most of it again, her hope is that local residents will then continue to maintain the garden from a garbage dump. let's head to one of the most scenic cities in the was, which has been celebrated in hollywood bollywood and was send them off for decades . the romantic city of witness, but as the world heats, unless she has met the future of the city, seems shaky. more and more of the city is sinking each bossing day and it is becoming a big challenge to keep the city afloat. venice has fascinated the world for over 1600 years and for just as long people have been scared of floods or worried that the city could sink into the sea. this is the latest attempt to protect venice. 78 middle barriers that can be raised to separate the sea from the

ground. the system is called mos that signaled triple symbol. if we hadn't had moses the dentist would have been irreparably destroyed on november 22nd or 2022. it was the 2nd highest flooding history quote, but nothing happened. we were able to protect the lagoon and vanessa del provide long advantage. so it's elizabeth to spits has already given the order to raise the barriers over 50 times that much to compare, search, see, and she's having to do it increasingly frequently. so think about the jeanetta 40 the most that we now know that mostly is a flexible instrument that does not always have to be opened and nor at the same time, sec danville. so today we know much more about the black and wind. so we're in a position to act again for flooding that out within 50 has the most a system only partially to guarantee the exchange of water between the c and then

a good, very easy to go for that model. and does that mean venice can be saved? climate experts predict that the sea level could rise by 60 centimeters by the end of the century. the oceanographer gate arc when the keys says that most it is just buying time for the most house and he's most uh enough to say tennis game. a man, yes. at the moment seen so definitely in the next 1020 or 30 years. but if the sea level rises by 50 centimeters, and it will have to be used $300.00 to $400.00 times, that's once a day. first, i didn't want to manage shop, spend most. it won't be able to cool as a structure, but nor will the lagoon manage it because it's the exchange of water did i won't it? but often host gosh marco sequel vinny from the venice institute of marine sciences is researching the lagoons eco system. he says the frequency with which most a is being used has not yet had any major consequences. but this could change if

the lagoon is separated from the sea more frequently and for longer periods of time . the time. okay, so i mean it's a sort of, it could be that at some point, we'll have to decide whether it makes sense to maintain that laguna is a salt water lagoon or not that oversee the long closures interrupt the cycle between the sea and the lagoon. which is fundamental for venice and we're all of them. you know, it's what creates the lagoon floor southern which determines what plants and animals can lives. there are the 2 we're going to face to talk decisions, because they could understand the future. whether to save the lagoon or the cities, the nations would ideally keep both the son marco is the lowest point of venice. and the 1st applied work is currently under way to raise the square the get them already know were raised to

a $110.00 centimeters in the square would no longer be under water because it would manage up to a $110.00 centimeters with like flooding and that over a $110.00 centimeters come and what was the system would close? so in other words, there would be no more flooding on the sun, michael. he believes we need to have faith that people often forget that venice has sunk 30 centimeters in the past 150 years too much ground water has been pumped from the city's awkward verse on the ground. water could also help save the city from disaster response that is not only the water, the stream pump coat is pumped up by the end in venice could rise by 30 centimeters again. that would be the exact, the 30 centimeters that we've lost in the past. a 150 years, how long? how many? let's go with it. so we will be going back to the starting at 0 again, so to speak. most of us are he says that venice, as we know it cannot last forever. in any case, at some point,

the lagoon will have to be separated from the sea. and the venetians will be forced to decide what kind of abided both cannot be rescued. we have to decide what to save some ben investment there is only one bending and it keeps my, i'm in a difficult decision. one venetians hope they will never have to make or was without doing this. like i said at the beginning of this episode, some things are just too precious to let go. what is threatening the nature around you when? what do you think can be done to preserve it? let us know. you can email us or reach out to me directly on my social media handles. i will see you next week until then. take care. good bye. thomas gosh, the,

the, the

attention of the islands, my aunt, seeing us soon as frustrated by the arrival of increasing numbers of refugees, dream of europe, and end up here. the french overseas territory is simply too small, under pressure for migration to be like many inhabitants. nephews neglected by the central government in far away europe. focus on us in the scene that is on d. w. the islands along the river are home to the challenges of bangladesh. every 6 months, their land gifts flooded by total weight for the funny does actually move to the

last few, but he's a reassessed. i don't funny, don't the latest populated stuff to do it from a never ending cycle of destruction and rebuilding the in 75 minutes on d w. the the and the discovery would change your mind. just just click away, find out best document trees on you to see the world the subscribe. now to dw documentary dw, so one pixel we in fact,

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