Climate Crisis: Solar-Powered Oasis to Feed Desert Cities

https://i2.wp.com/f.fastcompany.net/multisite_files/fastcompany/imagecache/slideshow_large/slideshow/2014/08/3034601-slide-s-6-a-solar-powered-oasis.jpgDesertification is one of the biggest threats associated with Climate Change. In places like North Africa and the Middle East, where countries already import up to 90% of their food, the spread of the desert due to increasing temperatures and diminished rainfall is made worse by the fact that cities in the region continue to grow. It’s a situation that is getting more expensive and energy-intensive at a time when things need to be getting more cost-effective and sustainable.

Luckily, a team of architects hopes to create a new agricultural system that could grow and deliver food in the desert. It’s called OAXIS, a conceptual design for a modular set of prefab greenhouses, covered in solar panels, which would extend from a city into the desert. The design of the buildings aims to keep out intense summer heat while the solar panels would power the rest of the building’s infrastructure and send extra energy back into the city.

https://i0.wp.com/a.fastcompany.net/multisite_files/fastcompany/imagecache/slideshow_large/slideshow/2014/08/3034601-slide-s-3-a-solar-powered-oasis.jpgConceived by Forward Thinking Architecture, a Barcelona-based firm, the concept seeks to combine flexibility with a minimal carbon footprint. Towards this end, they chose to forgo usual transportation and create a unique conveyor system that would deliver produce without the use of any fossil fuels. The conveyor belt would be underground so it could keep running in a straight line even if buildings were in the way.

Inside the prefab greenhouses, farmers would grow crops like tomatoes, lettuce, and strawberries using a hydroponic system that can reduce fertilizers and pesticides and save 80% of the water used in traditional agriculture, in part by recycling and reusing it. As for where the water comes from, the designers suggest that groundwater could supply the farm’s needs, but many Middle Eastern countries already rely on desalination.

https://i0.wp.com/a.fastcompany.net/multisite_files/fastcompany/imagecache/inline-large/inline/2014/08/3034601-inline-i-1-a-solar-powered-oasis.jpgIdeally, desert populations would be small enough that the region’s sparse rainfall could support local crops. But that’s not the reality. In addition, a small part of the recycled water would also be used to create an outdoor garden for education. As architect Javier Ponce, principal and founder of Forward Thinking Architecture, explained:

We thought it cannot only be a farming-only building, it must have a pedagogical approach and have to be attractive in order to become a biodiversity hub which can be visited by the local people and visitors… The cities should be smaller, denser, and compact, but this is not the current situation for some of the Arabian peninsula cities since they have exponentially grown and attract more people and workers. There has been a rapid urbanization in the area since the middle of the 20th century.

The project, he hopes, could help supply food as climate change makes the situation even more challenging. Already, countries in the worst-affected regions are desperately looking for solutions. For example, Qatar has already invested hundreds of millions in a plan to grow as much local food as possible by 2030. Other countries in the region, like Kuwait, Dubai, Abu Dhabi, Jordan, and the desert-locked Saudi Arabia are expected to follow.

https://i0.wp.com/e.fastcompany.net/multisite_files/fastcompany/imagecache/slideshow_large/slideshow/2014/08/3034601-slide-s-7-a-solar-powered-oasis.jpgThese regions in particular have felt the pressure brought on by the escalating price of importing food. This pressure is exacerbated due to the disappearance of peak oil, which accounted for the vast majority of this region’s wealth. However, the project has farther-reaching implications, as Climate Change threatens to turn much of the world’s arable land into dry, drought-ridden plains.

At the same time, it takes into account the need to reduce reliance on water and fossil-fuels. As our population continues to skyrocket, a smarter and more sustainable use of available resources are always needed. As Ponce explained:

The OAXIS project is an alternative or complementary way to respond to the food insecurity and water scarcity of the region in a self-sufficient way. It aims to help reduce the food imports to feed part of the people in a nearby future based on renewable energies.

And be sure to check out this OAXIS promotional video, courtesy of Forward Thinking Architecture:


Sources:
fastcoexist.com, forwardthinkingarchitecture

The Future of Urban Planning: The Urban Skyfarm

urban-skyfarm-9The world’s population is projected to grow to between 9 and 10 billion people by the middle of the century. What’s more, roughly two-thirds of those people are expected to live in major cities. Coupled with the expected changes caused by Climate Change (i.e. increased drought and less in the way of arable land), and its understandable why urban farms are seen as a means of picking up the slack.

That’s the concept behind the Urban Skyfarm, a concept for a skyscraper that is shaped like a tree and comes with leaf-like decks to provide space for real trees to grow. Currently, most vertical farming operations – like warehouses in Chicago, Kyoto, Singapore and a recent skyscraper built in Sweden by Plantagon – grow plants with ultra-high-efficiency systems under artificial light.

urban-skyfarm-2However, this new design concept from Aprilli Design Studio takes a different approach, using lightweight decks to provide growing space outdoors on the sides of a giant skyscraper. The architects aren’t the first to embrace the trend of sticking greenery on towers, but they may be one of the first to look at how to use the technique to maximize food production. As architects Steve Lee and See Yoon Park explained:

Our version of the vertical farm was intended to become an independent, open-to-air structure which would be purely focusing on farming activities and sustainable functions such as generating renewable energy and performing air, and water filtration.

Designed to mimic the shape of an enormous tree, the Urban Skyfarm uses leaf-like decks to provide 24 acres of space for growing fruit trees and plants. The “trunk” houses an indoor hydroponic farm for greens, and solar panels and wind turbines at the top of the tower provide enough energy to power the whole operation. The design would also capture rainwater and filter it through a constructed wetland before returning it to a nearby stream.

urban-skyfarm-5So in addition to growing food and using rainwater to provide irrigation, the building also was also designed with an eye towards energy independence. The architects envision the project in the middle of downtown Seoul, South Korea:

It seemed to be an ideal place to test out our prototype since the specific area is very dense and highly active and has been suffering for a long time by all sorts of environmental problems resulting from rapid urbanization…With the support of hydroponic farming technology, the space could efficiently host more than 5,000 fruit trees. Vertical farming is more than an issue of economical feasibility, since it can provide more trees than average urban parks, helping resolve urban environmental issues such as air pollution, water run-off and heat island effects, and bringing back balance to the urban ecology.

The design would also provide community gardens, park space, and a farmers market to cater to a demand for fresh, local food in a city where apples can cost more than $20 at local markets.

urban-skyfarm-7Vertical farming has already started in South Korea. Another project, based in Suwon, is growing food in a three-story building and may eventually expand into a skyscraper. But the outdoor vertical farm is just a concept for now. Lee and Park are confident this is the way of the future, and that demand for clean, sustainable buildings that grow fresh food is only going to increase:

We believe there will be more attention and discussions of vertical farms as the 2015 Milan Expo approaches, and we hope the Urban Skyfarm can become part of the discussion as a prototype proposal. Vertical farming really is not only a great solution to future food shortage problems but a great strategy to address many environmental problems resulting from urbanization.

And with the problems of urban growth and diminished farmland occurring all over the developed world – but especially in nations like China, Indonesia, the Philippines, and India (which are likely to be the hardest hit by Climate Change) – innovative designs that combine sustainability and urban farming are likely to become all the rage all over the world.

Source: fastcoexist.com