planet, a looking at assets to recycle parts of an old us military base to save results is emissions. i money keeps mckinnon. thanks so much for being with us here on the welcome to put tire timelines, capital for 6 tourism windows in germany. if you go to a faucet, you, you pay twice or $3.00 times as much and the other half the service in 2023. a documentary, i'm kind of a corruption child abuse. the youngest one, for example. let me show you. this was her. now the film team investigate the was exactly have changed. the red lights, dark shadow,

6 tourism in time and stuff. old is 16 on d, w. the list goes to town in the german city of heidelberg, used to be a bustling us army base housing, nearly 5000 people but it's been close for more than a decade. like many old bases around germany, we usually continue to rock or be torn down. instead, there's many cities up for a makeover in this part of the massive urban experiments. while many of the nearly $300.00 buildings here are set to be referred to as those that don't fit into the plans aren't just going to be demolished, they'll be picked apart and their materials will either be recycled or reduced. this technique is called urban minus a construction trend that's picking up steam around the well. so how exactly does

it work? and tenant live up to the higher the built in the 1950s as part of the us military's significant cold war presidents in west germany. patrick henry village was an american island on the outskirts of titled like many u. s. army bases. it was basically its own little city, with housing for thousands of soldiers and their families, schools, a church, a bowling alley, and most importantly, that even had american fast food chains you couldn't find in the rest of germany. but after us troops relocated to nearby the spot in in 2012. patrick henry village became a ghost town, leaving behind thousands of american appliances and even outlets. since then, the jury is only been used in part to temporarily house refugees. the city has grand plans to redeveloped the village into a shiny new district with housing for thousands offices in green spaces that would

typically mean mass demolishing and getting rid of these old houses and putting up entirely new ones. but old buildings are only a problem if we see them as such. yeah, here are mining concepts, isn't it a circular city? is it a case of cause i some stuff with this was mentioned huntington, the less than that, i can be sweet. i mean, that's all the guy from voice. you're getting a chuck is hydro bigs deputy mer and heads up in the city planning department, some border subsidies here. i can just see games and these are sets of would be all about 16. i'm going to do some a tie in these annoying shop type on. roughly one 3rd of the buildings will be left standing, gutted and renovated. the rest will be taken down to make space for a denser neighborhood with mixed use buildings, not just housing. but the special thing about this project is that instead of sending the deconstructed buildings to landfill, the goal is to resell for you is so we recycle everything that you can see here

from literally the ground up. while windows like these could typically be used for changing energy standard, since these were put in, it means that they can't, they tend to be recycled. a tricky process, but it's possible concrete can either be used or recycled as well. but then we've got to find a home for all of these big old american fridges in germany. all those will be tough. so all of this represents a new approach to old buildings and goods. either quite a lot of they may have gotten this process. expedited as to quite a lot me to this was my last listen comes with my not what's improving, how we built things is vital construction accounts for 13 percent of global energy related carbon emissions. and it's not just about putting up buildings and buildings are demolished, they usually end up in landfill, all told construction and demolition to account for about one 3rd of all. the waste in europe. projects like the one in heidelberg can do their part to change this.

but it didn't actually start here, it started in an office and stood cards about a 100 kilometers. so the 1st step is actually to, to get an idea of what do you have to sign which works for e t a, an environmental consulting company that's partnered with title back to build a database of the cities building stock, starting with patrick henry village. so you need to know exactly how much material you have, what is the properties of the material or the hazardous substances. for instance, you can estimate of buildings construction materials based on its agent location and its data base help. so these like title may i get a sense of reusable and recyclable materials at their disposal on planning new projects titled back then confirms the estimates that means boring holes and the floors walls and ceilings and making a checklist of everything looked hanging around the former base it shows you that over 50 to 0 percent of the building is x,

the concrete mean around 5 percent. this metal and this is like a 1st overview of the inventory. this information is track for the whole neighborhood with a breakdown of all 500000 tons of material. look, i know that seems a bit try. but without any of this documentation and all of these databases, the actual mining of urban mining is remotely possible and mining is the systematic management of everything that's mandate. so before everything is coming with um, so how do we manage materials so they don't become waste, but we can use them again as a resource color been mining sometimes called circular construction is a new term and has begun to take off in the last 5 to 10 years, it's not a new principle up until the industrial revolution actually urban mining was very common. me go shell and focuses on the built environment at dutch sustainability,

consult and see metabolic during the most trivial solution. i think that's what we see with a lot of production processes that production became cheaper mazda assumption became more common and we kind of let goals for using what be already have met about urban mining efforts include partnering with cities, architects and construction companies. i think a very interesting case that we worked on is the building of the dutch national bank. the 14 story skyscraper was entirely disassembled, metabolic, are working with the developer to design a new building from the secondary materials. they've also built in the office park of old house, but it's similar, but mining projects have popped up from switzerland to belgium. and cities in the us are increasingly building material databases and passing laws that require buildings to be deconstructed, not demolished, but urban mining isn't one size fits all the way we tried to solve the problem.

he's not the same in different regions in different countries. boucher iran, he go, research has the built environment and co leads to un sustainable buildings program in the global south for example, they're just starting has many empty houses, offices and shops and some of the global north. but in a way, urban mining is pretty big here. even though people don't necessarily call it that . when you think offering formal sacraments, for instance, they are very sick, you know, in that materials that have been using these informal supplements have been, have had several lives before the end up in um, in these informing areas. and how to bag this process is a lot more bureaucratic, painstakingly documenting every tile in an entire many city by color may seem a little bit crazy, but you never know when it might help. and that's not even the hard part. it's now that the real sun, weekends, and things that can be directly reused will need to be sold. the or the title isn't

cushion on. i'm most trying to, if i think the feet of the stick doors on to that and sure thing on bus picking on, i'm a to and i'm a to one, come on for like to buy to haven't been unlocked. if it's in that, in session, i can go to dental and get this all marks in the goods to some of the been to gotten of the title of the sort of the, the buildings themselves will have to be picked apart. and then you need to figure out what to do with the materials. take the 90000 tons of brick, patrick henry village. most of that will be able to be reused to some degree. but for the 230000 tons of concrete, it's a different story with the tone literally for all right and this, and that would combine that and the to liked some type of components. my tell you all knowing the tone to refute that sometimes with the voltage drops into that as a single side before she didn't have atoms. vega, the ticket time for you to add from i tell you i, you know that some feet up even if we start cattle logging and mining our buildings

on a grand scale will never be able to entirely eliminate the use of new building for us. it's not just about how we deconstruct what's already here. it's also about rethinking how we built. so, usually in the building, you design a building and then you find materials that fits. but if you have to design and with a set of materials, then you really have to shift your way of thinking. i really have also a different position as the architect. this whole process to be more of a similar of materials instead of a designer of the building will need to use different materials if we want to make future urban mining easier. with that in mind, it builds with materials that are prime for easy reuse, pencil all of the untreated wood furniture in their office. they've also designed a circularity passport for new buildings, that logs materials for future reference and tracking the state. it could soon be a requirement in germany, despite the different contexts, lessons from these projects could be useful all over the world. if we are going to

be building, um, say office buildings and the build this out. can we design these buildings so that these buildings could be deconstructed easily? thing 20 or 30 years, or 40 years. but to make this happen in the 1st place, they just might have to cut some red tape, which is something heidelberg planners knew all about. the listening really intensive of person. um does this my tell you all of us who yeah me months um basically a product as a both of those. uh, how about the leasing team asked if looking to push them to the t, but these are my tie in guns as soon as i can and so on. and with an individual or big binding project, starting to pop up all over the place. governments will have to help coordinate these complicated logistics and they'll also have to step in to help overcome what might be the biggest challenge cost. so when you look at virgin materials, the day it meets a lot of c o 2 to and they're very helpful for the environments,

but they're often a lot cheaper then. secondary materials because labor is quite expensive. now current system, incentivizing urban mining and making it cheaper, we'll help drive change, but it will still take time. projects like fido bags, patrick henry, village re development or a start, but also show just how much has to change to get with an a smith for those goals. the name is i think i want to say guns, fee to mention a funny that for the and size of the guys them cutting them into movies, feed of all stuff, anything that you can go off if we need to get less than 2 and then even to this kind of slow allies and this kinds of things. and this just opened up a whole bunch of stuff and let us know in the comments if there are any urban mining projects happening where you live. thanks a lot for watching and don't forget to subscribe. we've got new videos for you. every friday, the

we are back in kenya as capital of ne ruby. now this city has been the seeds of ongoing protest, initially started a guest, a controversial finance through the proposed sweeping increases in texas. we need a solution from how this purchased a going to do or was it for pushing it in pieces like that's nice was that the kind of person is wonderful. used on this 77 percent next on d. w. that's anchored culture in times of climate change, new cultivation concept, 13 thought, and perhaps a new diet nutrient to rich, sustainable, multi functional in the fields of the future, the tomorrow today,

the 1860 minutes on d w. the we are all set with what seemed close to him to bring you the story behind the news. we ruled about unbiased information for 3 months. the

this week on the 77 percent streets debate come to the bank of definition. so many times we had slugs. what type booklets in mosques? how does that compare the police officer to use a munition? again, it's no more a use when you by the police from using the tools required for the entry, you mean live? i munition, it went live, i mean, nation. it is equivalent to telling the police the police station. let us protest was it's necessary to switch the text, my site and the mock. was it proportionate to for that kid in good life? that's nice. those are the kinds of questions want the police to answer.