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Informativ: Gut Wohnen im Klimawandel

By Marie-luise Braun

Elegant wohnen auf dem Wasser: Wie diese Häuser der Siedlung Schoonship in den Niederlanden, werden weltweit schwimmende Siedlungen geplant, um dem steigenden Meeresspiegel zu trotzen. Foto: Raum Film
Elegant wohnen auf dem Wasser: Wie diese Häuser der Siedlung Schoonship in den Niederlanden, werden weltweit schwimmende Siedlungen geplant, um dem steigenden Meeresspiegel zu trotzen. Foto: Raum Film

Osnabrück . Wie Menschen trotz des Klimawandels gut leben und Hochwassern trotzen können, zeigt Matthias Widter in seinem Film “Erde unter Wasser – Wohnen im Klima-Chaos”.

Aktuelle Forschungsberichte zeigen es: Die Erwärmung der Erde durch den Klimawandel geht schneller voran, als gedacht. Wie gut, dass Experten bereits an Möglichkeiten arbeiten, mit den Folgen leben zu können. So ist das beispielsweise in der Architektur, zeigt Matthias Widter in seiner informativen Dokumentation auf. In ihr stellt er nicht nur Projekte weltweit vor, sondern lässt den Klimaforscher Mojib Latif die Folgen des Klimawandels für die Städte veranschaulichen.

Hamburg beispielsweise liegt nur 100 Kilometer von der Küste entfernt. Steigt der Meeresspiegel durch die Erderwärmung an, kann es in der Metropole wesentlich häufiger zu Hochwassern kommen.

Für Koen Olthuis liegt die Lösung auf der Hand: „Wenn das Wasser kommt, lebt es sich am besten auf dem Wasser“, sagt der niederländische Architekten und Industrie-Designer, der unter anderem an einem Pilotprojekt in Amsterdams Norden beteiligt war. Hier schwimmt eine neue Siedlung auf dem Wasser. Auch andernorts werden solche Wohnmöglichkeiten angedacht, die zudem sehr flexibel sind: Dadurch, dass die Häuser schwimmen, können sie nicht nur an anderen Orten anlegen, sondern auch ganze Siedlungen flexibel an sich ändernde gesellschaftliche Bedürfnisse angepasst werden.

Rotterdam ospiterà il primo grattacielo galleggiante al mondo in legno

By Tommaso Tautonico


Floating Cities: The Next Big Real Estate Boom

By Wade Shepard

“I’m a real estate developer and this is a developer’s dream,” spoke Lela Goren, a NYC-based developer and investor during a UN Habitat event as she looked over a scale model of Oceanix City—a floating city concept that could be deployed around the world. In this era where the value of and need for coastal property throughout Asia is so high that dozens of countries are creating hundreds of square kilometers of artificial land for urban development, her words resonated throughout the room. Not only may floating cities be a salve to help to mitigate the impacts of rising sea levels, but also a way for governments and developers to create vast swaths of much-coveted space for highly profitable coastal development by building out into the sea in a more environmentally sustainable way than land reclamation.

“Most cities are located nearby water and this number will also increase in the next decades,” said Kees-Jan Bandt, the CEO of Bandt Management & Consultancy. “This was already the case a hundred years ago: water is life and always has been a center of economic activities.”

For this reason, coastal cities have been drawing people towards them at an ever-increasing rate. Nearly three million people move from the countryside into cities each week, with the bulk of this migration heading to coastal cities, which now contain over half of the world’s population and are, quite literally, bursting at the seams. This is a situation that is expected to only grow more dire, as UN Habitat predicts that by 2035 90% of all mega-cities—metropolises with over 10 million people—will be on the coast.

Over the past decades, coastal cities across Asia have been responding to the need for more land by simply making it themselves. Land reclamation—dumping or corralling sand in aquatic areas to create new land—has grown to bonanza-like proportions, as Asian cities build arrays of high-value housing, luxury shopping malls, entertainment facilities, transportation infrastructure, and even entirely new cities where there was only open water not long ago. From 2006 to 2010, China was tacking on an additional 700 square kilometers of new land each year. Malaysia is engaged in mass reclamation work for the 700,000-person Forest City project as well as a slew of luxury developments in Penang and Melaka. Sri Lanka’s capital of Colombo reclaimed enough land to build an entirely new financial district that’s meant to rival Singapore. South Korea built the Songdo “smart city” entirely on land expropriated from a bay. Dubai has turned reclamation into an art. While upwards of 20% of Tokyo and nearly 25% of Singapore is on land that nature didn’t make.

“In some Asian countries it is sometimes easier, quicker, and, on the long-term, cheaper to reclaim land from the sea than develop on existing land because of land ownership,” Bandt explained.

In already crowded coastal cities, large swaths of development land are rare, and the procurement of such often requires costly and complicated evictions and relocations. So land reclamation was often seen as a win-win for developers and municipal planning boards: they could get fresh, barren land in high-value, central locations without needing to deal with the trouble of land owners or tearing down already built-up areas. Also, in most countries, reclamation is a land rights wild card, as there are no existing statutes on the ownership of land created on the sea—it’s a simple matter of makers-keepers. And the profits from land reclamation? According to Ocean University of China professor Liu Hongbin, land reclamation in China could produce a 10- to 100-fold profit.

However, there is another side of land reclamation that isn’t all glittering shopping malls and gleaming gantry cranes. It turns out that land reclamation is environmentally hazardous.

“Once you reclaim, you lose the ecosystem,” Professor Jennie Lee, a marine biologist from Malaysia Terengganu University, stated bluntly. “The coral reef, the mangrove are the shoreline’s protector, so once you reclaim, you destroy the natural protection to the coastline and, over time, you will see the water currents change and physical changes of the coastline itself: some beaches will have more sands piling up and some beaches will be eroded away. When you pile side dunes on an area, you have a lot of runoff, a lot of siltation happens,” she continued. “When you increase the turbidity of an area the phytoplankton reduces because there is not enough light, and then it just goes to the next level: the fishes reduce because there is no more food for them, and after that it will just change the ecosystem itself.”

Besides being environmentally hazardous, land reclamation is contributing to the depletion of a resource that until recently was thought to be inexhaustible: sand. According to many reports, the sand wars have already begun, with many countries throughout Asia banning the export of the resource and organized crime syndicates filling the void by trafficking it like a narcotic. The world is running out of suitable sand for development—our thirst for concrete, of which sand is a necessary component, and artificial land has pushed the resource to the brink.

There is also another unfortunate, often inopportune thing about land reclamation: it is often no match for nature.

“Even in Dubai, with the world’s best engineering and obviously a lot of money, many of their land reclamation projects don’t hold after a decade,” said Marc Collins Chen, the founder of Oceanix, one of the leading companies driving the development of floating cities. “If you look at Japan, the Kansai airport—built with state of the art engineering and a lot of money—it’s sinking, and it’s sinking fast.”

As the years pass, countries throughout Asia have started to understand the pernicious impacts of their land reclamation activities, and many want to see the projects come to an end. China has already banned all but essential land reclamation developments in 2018, and earlier this year, Zhejiang province doubled-down on Beijing’s order.

Meanwhile, the demand for more coastal development land continues to exist, signaling that a new solution is needed.

Could floating cities be the answer?

A substitute for land reclamation is now being proposed, offering the same perks—cheap and easy to make blank slates for development—without as many of the environmental and social drawbacks. They call them floating cities, but the term is an overt misnomer. Floating cities don’t actually float, but are essentially platforms that are anchored to the seabed in coastal areas. The technology is not new—it’s basically the same idea as an oil rig or large dock, only with a city built on top of it. Once the intellectual property of libertarians looking to construct utopias and tax shelters, the idea is now creeping into the consciousness of the commercial real estate sphere worldwide.

“The economic potential is in the hundreds of billions of dollars,” opined Collins Chen. “More and more countries are banning commercial land reclamation while population pressures on coastal cities continue to grow. Floating cities become the only option to expand onto the ocean sustainably.”

There are currently dozens of floating city models that are being tested and proposed around the world by a new class of innovator dubbed the aquapreneurs. In the Netherlands there is a company called WaterStudio, that has already built small-scale floating buildings, including UNESCO-backed schools. Recouping from its failure in French Polynesia, the Seasteading Institute—which was founded by PayPal founder Peter Thiel and Milton Friedman’s grandson—is still adamant about building floating cities to create a space for innovative forms of governance and economics. The Chinese construction giant CCCC is also in the floating city game, commissioning a design for a floating city that looks like “a sprawling buoyant landmass made from prefabricated hexagonal modules.” The French architecture firm XTU developed a floating city concept called X SEA TY. The architect Vincent Callebaut designed a floating city called Lilypad that would house 50,000 people in an array of high-rise towers that look like, yes, lily pads. Then there’s Marc Collins Chen’s Oceanix City—a design that has already received considerable traction.

This visionary group of “aquapreneurs” believes that humanity’s future isn’t found in recoiling from sea level rise or stemming the tides of coastal migration, but in facing the reality in front of us and building out into sea to an extent that would make even the most ambitious land reclamation engineer blush. Rather than engaging in a perpetual fist fight with the ocean, the aquapreneurs are saying that we should build over top of the sea and just let nature do its thing down below.

“Eventually, it’s going to happen. There is no turning back. We are going to eventually have floating cities,” declared Nathalie Mezza-Garcia, a complexity scientist who once worked with the Seasteading Institute.

While there is not yet an example of a living floating city, the model does present the potential of being less environmentally hazardous than land reclamation. Floating cities don’t require large amounts of sand to create, preserving a dwindling resource and negating the damage done to the environment in the locales where the sand is sourced and where it is deposited.

“Floating is a lot better than land reclamation because it protects the marine environment. It can be easily be removed or expanded, whereas land reclamation usually takes a bunch of sand and dumps it over a place, killing everything that lives there,” Mezza-Garcia explained.

Floating cities are also being touted as being cheaper and faster to construct than land reclamation. When developers reclaim land there is generally a multi-year waiting period for the sediment to settle before it is safe to build on. Floating cities have no such requirements: you can start building the day the platform is anchored.

“So let’s say Shenzhen needs 5,000-person low income housing,” Collins Chen proposed. “You could literally tow it in within months instead of waiting ten years [for the reclaimed land to settle]. Reclaimed land is expensive because you got to bring trucks and trucks of sand and dirt and then you have to bring all of the teams to actually build and lay the concrete slab. Whereas, floating cities can be entirely built in a factory, towed out, and assembled. So it really is about the environment, costs, and speed.”

Floating cities are not only for idealistic libertarians anymore, but grounded entrepreneurs looking to be a part of the next big boom in real estate development.

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Ploveća kuća s elektromotorima

Tvrtka Arkup bogatim kupcima diljem svijeta nudi luksuzne ploveće kuće, koje su posebno popularne u Nizozemskoj. Njihov novi model nosi naziv Arkup 1, a uz pomoć dva elektromotora snage 100 kW i potisnika plovi brzinom od 7 čvorova. Sigurnosti radi, opremljena je s hidrauličnim stabilizatorima dužine 6 m, što vlasniku omogućava da je izdigne iznad površine mora tijekom velikih valova.
Svakako treba naglasiti da je otporna na oluje i može izdržati udare vjetra od 250 km/h, tvrdi proizvođač. Ploveću kuću je projektirao nizozemski Waterstudio, a interijer je izradila brazilska tvrtke Artefacto. Duga je 22,9 m, ima površinu od 404 m2, sustav filtracije kišnice, kao i solarne panele od 36 kW koji pune baterije kapaciteta 1000 kWh. Jedina mana Arkupa 1 je visoka cijena od 5,5 milijuna dolara, ali tvrtka najavljuje kako će izgraditi još tri ovakve kuće te ih prodati bogatim šeicima. (Ž. S.)

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Показаха първият в света плаващ небостъргач от дърво

By 1 Kam 1

Базираната в Амстердам дизайнерска фирма Waterstudio вече е добре известна с невероятната си плаваща архитектура, но продължава да се развива в света на иновативния дизайн. Сега фирмата, ръководена от Koen Olthuis, разкри първият в света плаващ небостъргач от дървен материал. Планирана за водите на Ротердам, сградата е изградена от CLT и ще разполага с офис пространство, обществен зелен парк и ресторант с тераса.

40-метровият небостъргач ще бъде направена от напречно ламиниран дървен материал, което прави конструкцията много по-лека от бетона. Освен това работата със CLT означава, че сградата ще бъде направена с възобновяем ресурс, осигурявайки на град Ротердам авангардна устойчива забележителност. Кулата също ще използва големи стъклени пространства, за да допусне много естествена светлина в интериора. Обилна растителност, включително  градини засадени със зеленчуци, ще се намира в цялата сграда – отвътре и отвън.

Според Олтюс дизайнът на сградата е близък до лист хартия, който е прегънат, докато в средата се образува кула. Основата на кулата е разположена върху равна платформа, която ще бъде покрита в растителност. Издигайки се от палубата, фасадата на небостъргача е белязана от поредица от V-образни колони. Отвътре просторен атриум ще бъде залят с естествена светлина.

Въпреки че кулата ще се използва главно като офис пространство, има няколко зони, предвидени за обществено ползване. С офиси, разположени на горните етажи, долните етажи и основната палуба ще разполагат с няколко обществено достъпни пространства като галерия и кафе бар. Също на долната палуба, ресторантът ще разполага с красива тераса, която осигурява зашеметяваща гледка към пристанището. За допълнително пространство, буйният, зелен двор ще позволи на работниците и посетителите да се насладят на чист въздух де. Тази зона е проектирана да бъде гъвкаво пространство с различни функции и за събития, случващи се през цялата година.

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Architettura in legno: a Rotterdam una torre unica

By Alessandro Schietti

lignius, case in legno, case prefabbricate in legno, architettura, torre galleggiante, rotterdam
Lo studio olandese Waterstudio ha adottato da anni la “mentalità del legno”, approfondendo l’uso del legno lamellare incrociato in una particolare situazione

L’architettura in legno si sta spingendo oltre ogni limite. Un esempio arriva da Rotterdam, grazie a uno studio olandese, Waterstudio, che ha progettato una torre unica al mondo. Cosa la rende diversa dalle altre? Andiamo a scoprirlo.

Waterstudio ha adottato da anni la “mentalità del legno”, approfondendo in particolare l’uso del legno lamellare incrociato nelle strutture galleggianti.

Da questo know-how nasce la prima, unica e innovativa torre galleggiante in legno. Si tratta di una struttura alta 40 metri che accoglierà uffici, realizzata in collaborazione con Hercules Floating Concrete presentata al MIPIM 2019, il più grande evento mondiale dedicato al real estate.

Perché una torre galleggiante in legno lamellare incrociato?

Innanzitutto, i prodotti in legno massiccio possono essere pre-assemblati. Poi, le costruzioni in legno lamellare sono più leggere delle strutture in cemento. Il legno, inoltre, è una risorsa rinnovabile, può assorbire le tensioni ed è un materiale molto duttile.

La torre di Rotterdam, dunque, potrebbe davvero fare scuola per quanto riguarda le strutture galleggianti.

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Voici à quoi pourraient ressembler les villes écolos de demain

By l’édition du soir

Alors que nos mégalopoles saturent, l’urbanisme du futur passera nécessairement par une dimension plus écologique : dès à présent, les architectes imaginent des réalisations ambitionnant de répondre aux enjeux climatiques actuels. Tour d’horizon des prototypes les plus spectaculaires.
Les « Mountain Towers », implantées rue de Rivoli, dans le 1er arrondissement. (Illustration : Vincent Callebaut Architectures)

Dans le prolongement du Plan climat air énergie de Paris, la municipalité a fait pencher l’architecte belge Vincent Callebaut sur un prototype de ce à quoi pourrait ressembler la capitale française en 2050.

Il a imaginé huit immeubles à placer dans différents arrondissements parisiens afin de lutter contre le phénomène d’îlot de chaleur urbain, tout en augmentant la densité de la ville. Tours dépolluantes, façades en algues, jardins potagers ou ferme verticale composent ces bâtiments futuristes.

Stockolm Royal Seaport (Suède)

Des locataires ont déjà emménagé dans cet écoquartier qui devrait être opérationnel en 2030. (Illustration : Stockholm Royal Seaport)

Contrairement à beaucoup d’autres qui risquent de ne jamais sortir de terre, le Stockholm Royal Seaport dépasse les simples projections. Initié en 2009, cet écoquartier devrait accueillir 10 000 nouveaux logements d’ici 2030. Il prendra place sur une superficie de 236 hectares où se trouvait une ancienne usine à gaz, au nord de la ville.

Un budget de 60 milliards de couronnes suédoises (un peu plus de 9 milliards d’euros) doit lui permettre de voir le jour. Parmi les points forts, un système de gestion des déchets lié à un réseau de récupération sous-terrain les acheminant vers une unité de traitement. Une innovation qui évite la pollution occasionnée par le passage des camions bennes, et reconvertit l’énergie générée par le passage des déchets pour chauffer les bâtiments.

Smart City Forest (Mexique)

L’eau serait distribuée par un système de canaux de navigation dans la Smart City Forest. (Illustration : Stefano Boeri Architetti / The Big Picture)

557 hectares pour accueillir 130 000 habitants : pour le compte d’un groupe immobilier mexicain, le cabinet d’architecture Stefano Boeri Architetti a imaginé Smart Forest City, une ville implantée sur un site actuellement utilisé comme carrière de sable pour les hôtels, près de Cancun.

Avec ses toits et ses façades recouverts de végétaux, elle parviendrait à un « équilibre parfait entre la quantité d’espaces verts et l’empreinte du bâtiment » et absorberait 116 000 tonnes de dioxyde de carbone par an. Entourée d’un anneau de panneaux solaires et de champs agricoles irrigués via une conduite maritime sous-marine, la ville serait caractérisée par « une économie circulaire complète », explique le cabinet d’architecture sur son site.

SeaTree (Pays-Bas)

Cette structure entièrement végétalisée serait exclusivement dédiée à la faune et à la flore. (Illustration : Waterstudio)

C’est en bordure des grandes villes, en milieu marin, que pourrait être implantée cette structure, entièrement végétalisée et imaginée par le cabinet Waterstudio. Objectif : offrir un habitat supplémentaire à la biodiversité, aussi bien dans l’eau qu’en dehors, afin d’avoir un effet positif sur l’environnement de la ville à proximité en captant ses émissions de carbone.

Réservé aux animaux, à qui il offrirait un refuge, cet « arbre marin » serait amarré au fond de la mer avec un système de câble. L’équivalent d’un grand parc urbain y a été divisé en plusieurs parties, placées verticalement les unes sur les autres.

DragonFly à New York (États-Unis)

Les habitants de DragonFly cultiveraient eux-mêmes en partie les potagers présents sur le bâtiment. (Illustration : Vincent Callebaut Architectures)

Comme pour Paris 2050, c’est l’architecte belge Vincent Callebaut qui a pensé ce prototype futuriste au cœur de New York, entre l’île de Manhattan et le Queens. En forme d’aile de libellule, ces deux tours de 575 mètres de hauts formeraient une gigantesque ferme urbaine. Aux côtés de logements, bureaux et laboratoires de recherches, se trouveraient des potagers urbains et des champs bio. De nombreux systèmes écologiques, allant du recyclage des eaux usées à l’utilisation d’énergies renouvelables, seraient intégrés.

« Afin d’éviter l’asphyxie de la planète et de nourrir ses 9 milliards d’habitants d’ici 2050, il s’agit de réinventer le schéma énergétique traditionnel entre ville et campagne », avance l’architecte dans la présentation du prototype.

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Luksuzna kuća na vodi koja mami uzdahe

By Dom i Dizajn
Jutarnji List

Ova nevjerojatna dizajnerska plutajuća kuća kreće se kamo i kada god vi to poželite!

Danas vas vodimo u kuću koja nas nije oduševila samo svojim interijerom i dizajnom, već i funkcionalnošću kojom se, ni manje ni više, nego kreće na vodi. Naime, ova plutajuća dizajnerska kuća jedinica je napravljena od visoko kvalitetnih odabranih materijala, a osim nevjerojatnog interijera, dolazi sa izuzetnim završnim eksterijerom. Projektiranje ove moderne, efikasne i profesionalno izgrađene kuće sa shvaćanjem prave suštine modernog života potpisuje nizozemski Waterstudio.


Ova plutajuća kuća namijenjena je svima onima koji od svoga doma prvenstveno traže visoku kvalitetu, moderan dizajn, udobnost, stabilnost, ali i određenu dozu sigurnosti. Ono što je dodatna vrijednost ove nekretnine jest činjenica da se bez ikakvih problema savršeno uklapa u okolinu prirode il postojećeg gradskog pejzaža.


Arkup je nevjerojatna plutajuća kuća koja se kreće po vašim željama po svim vodenim površinama, ali je ujedno vrlo samodostatna, izdržljiva i ekološka, ​​za razliku od mnogih drugih jahti i brodova koji zagađuju okoliš. Ovaj je zanimljiv i nesvakidašnji projekt osmišljen kako bi odolio ili, možemo reći, izbjegao ekstremne vremenske prilike te ima vlastite autonomne sustave koji omogućuju lagodan boravak.

S ukupnom površinom od gotovo 400 kvadrata, ova je divna kuća izuzetno stabilna i idealna za sve one koji se jutrom najviše vole buditi uz more.






Sve fotografije ove besprijekorno uređene plutajuće kuće pogledajte u našoj galeriji. Moramo priznati da je nas naprosto oduševila, a kako se sviđa vama?

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Incredible sustainable floating villa has everything you need – but it comes at a price

By Mirror reporter

The Arkup is a glamorous way to live a life at sea – as long as you can afford it.

Imagine living inside a fully sustainable floating villa – pretty cool right?

Take that and move it to the middle of nowhere and you’ll get the Arkup.

The Arkup is a floating yacht that uses 119 solar panels on its roof to store electricity.

Stored in 182 kilowatt battery packs, it can then be used for air conditioning, appliances and manning the vessel for up to 3 days on a full charge.

It can also collect 4000 gallons of rainwater and filter it for everyday use.

In the event of adverse weather , the floating yacht can lift itself out of the water by 18 feet at the press of the button.

Hydraulic spuds built into the four pillars anchor the villa in place and category 4 hurricane resistant windows can withstand winds up to 155mph.

The solar power villa fetches a high price

It’s even suitable for hurricanes

Think you could settle for a life at sea? Then you better start saving as the Arkup comes at a price.

Starting at £4.27 million unfurnished, the Arkup is supposedly the first of its kind: A luxury floating villa with all amenities included and there are no bills.

There is a total of 4350 square feet of living space across two floors with four beds and four and a half bathrooms.

On portside there is a retractable deck that can be used as extra floorspace when the villa is docked and slides into the hull when the Arkup is seaborne.

Just around to the stern, there is a lifting platform that can take passengers down to the water for a dip. There is also an outdoor shower equipped so you can wash off.

Inside what would be the “galley” is the main living space with shared kitchen and living room area. The kitchen comes fully equipped and even comes with a wine fridge.

Just opposite, a full size living room extends out over the view with full surround sound and large flat screen TV.

The living room offers amazing views

The master bedroom comes with its own bathtub

Around the corner from the kitchen is a separate bathroom and laundry area with double washing machines for large loads.

There is also an area for crew members that comes equipped with its own bathroom and foldout bunkbeds.

Up the stairs on the upper floor there are 3 bedrooms.

One guest bedroom has its own private terrace and double sinked bathroom.

All bedrooms boast incredible views through their floor to ceiling windows on the portside of the villa and the master bedroom even has a bathtub installed in the corner.

There is also a master bathroom with two walk in showers, of course.

To find out more about the Arkup you can visit their website.

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