Architects design giant air purifying towers to fight Delhis air pollution

November 26, 2019 by  
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According to WHO, air quality in India’s capital of Delhi is among the worst in the world and is the fifth leading cause of death in India. In a bid to fight this silent killer, Indian practice Studio Symbiosis Architects has taken on a pro-bono project to design A?ra, a proposal for a system of air purifiers to clean the city air for the benefit of all residents in Delhi. Developed using the principles of aerodynamics, the A?ra air purifiers rely on a curved shape and air pressure differentials to intake polluted air and produce cool, clean air. Delhi has made headlines year after year for the thick, suffocating smog that has blanketed the city and neighboring areas. With the levels of PM 2.5 spiking to dangerous highs, Studio Symbiosis Architects sought a solution that could be enjoyed by all and not just those able to afford home air purifiers. Related: Pollution Pods let visitors taste pollution from around the world At the heart of the architects’ proposal is A?ra, a series of giant, air purifying towers topped with green planters with drip irrigation. Each tower would have two main chambers: one to increase the relative velocity of the air and the other for purifying the polluted air before blowing it out at high speeds and at lower temperatures to create a pressure difference that then pushes warm, polluted air back toward the tower. The architects estimate that an 18-meter-tall A?ra tower could clean 32 million cubic meters of air every day and have the capacity to clean 1.3 million cubic meters of air per hour. The A?ra towers represent only the first part of the architects’ proposal. The architects’ implementation plan would begin with installing a ring of 60-meter-tall A?ra towers around the city border to stop the flow of external pollution. Smaller, 18-meter-tall A?ra towers with a range of 1 square kilometer would then be installed in select “hot spots” along a grid to ensure clean air within the city. The air purification system would be supplemented with “A?ra velocity” gadgets that can be attached to the tops of cars as well as a network of “A?ra Falcon” drones that would move around the city and monitor air pollution levels. The systems collectively would be called the “A?ra Hive.” + Studio Symbiosis Architects Images via Studio Symbiosis Architects

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Architects design giant air purifying towers to fight Delhis air pollution

Drones are the new cost-effective way to monitor the environment

March 21, 2019 by  
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Conservationists, researchers and volunteers have spent countless hours on the ground keeping tabs on water quality in rivers across the country. Their work has been instrumental over the years, and new technology in the form of  drones  is making their jobs a whole lot easier. These unmanned aircraft, referred to as drones or UAVs, are easy to control and have become cost-effective in recent years. Environmentalists are using them to monitor ecosystems from the skies and are able to carry out their goals with more efficiency than ever before. Related: Drones — the future of ocean conservation “The technology has come along to the point where everyday people can put a camera up in the air and see beyond the tree line or their property line,” Ben Cunningham, a coordinator working in the field for the Pipeline Compliance Surveillance Initiative, explained. According to Maryland Reporter , Cunningham’s team is keeping an eye on the construction of controversial pipeline projects in Virginia. The drones enable them to see a wider field of view without investing a lot of money or time. The new technology is even superior to what many government officials have in their inventory. Based on numbers from the Federal Aviation Administration, there will be close to seven million drones sold in 2020. That is almost three times the number of unmanned crafts purchased in 2016. These drones range from small quadcopters to more sophisticated airplanes, and many of them are as simple to use as a remote-controlled car . Most drones are also able to take photographs and feature auto-pilot once they are in the air. When it comes to pipeline construction, environmentalists are using drones to take snapshots of the construction progress. They then use the photos to measure how the construction is affecting local environments, including Bay grasses and algal blooms along riversides. Without the drones, these types of large-scale efforts would not be possible without considerable funding and volunteer forces. Because drones are relatively new to the scene, researchers are hoping that they can expand their capabilities and achieve even greater results in the near future. Via Maryland Reporter Image via Paul Henri

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Drones are the new cost-effective way to monitor the environment

MVRDV-designed market in Taiwan will grow food on a massive green roof

March 21, 2019 by  
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Hot on the heels of its bold “ Times Square” proposal for Taiwan’s capital, MVRDV has broken ground on another project — this time for the island’s southern city of Tainan. Created in collaboration with local architectural firm LLJ Architects, the Tainan Xinhua Fruit and Vegetable Market is a wholesale, open-air market that will not only serve as an important hub for the city’s food supply chain, but will also serve as a new public destination. The landmark building will be topped with an undulating green roof that will be accessible to the public and used for growing crops. Because of its large size, the Tainan Xinhua Fruit and Vegetable Market will be located in a suburban district to the far east of the city center yet strategically placed near Highway 3 and public transportation links for the convenience of traders, buyers and visitors. Spanning an area of nearly 20 acres, the market will include space for auctions, logistics, freezer storage, service facilities, a restaurant, administrative offices and more. “Tainan, in my opinion, is one of those towns which is so beautiful to me because maybe most of its nature, agriculture fields, farms, sea and mountains,” said Winy Maas, co-founder of MVRDV. “Tainan Market can become a building that symbolizes this beauty as it compliments both landscape and its surrounding environment. It is completely functional and caters to the needs for auctioning, selling and buying goods, but its terraced roof with its collection of growing products will allow visitors to take in the landscape while escaping from bustle below.’’ Related: MVRDV to transform an Amsterdam office complex into a green residential zone The first phase of the development will be an open-air structure topped with an undulating, terraced green roof accessible from the eastern corner. The terraces of the roof will each be dedicated to growing a different crop — such as pineapples, rice, roses and tea — and will be furnished with benches and picnic tables for visitors to enjoy the surrounding views. The market is slated for completion in late 2020. + MVRDV Images via MVRDV

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MVRDV-designed market in Taiwan will grow food on a massive green roof

4 emerging tech tools for EHS and sustainability professionals

February 21, 2019 by  
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Early adopters are turning to wearable sensors, drones and artificial intelligence to reduce risks and drive measurable results.

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4 emerging tech tools for EHS and sustainability professionals

Weathering the storm: how your business can mitigate natural disasters

June 20, 2018 by  
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You don’t have to be a risk manager to prepare for potential storm damage.

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Weathering the storm: how your business can mitigate natural disasters

Weathering the storm: how your business can mitigate natural disasters

June 20, 2018 by  
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You don’t have to be a risk manager to prepare for potential storm damage.

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Weathering the storm: how your business can mitigate natural disasters

Why food nostalgia won’t make us more sustainable

June 20, 2018 by  
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Sponsored: Sara Place discusses how productivity improvements in plant and animal agriculture work synergistically to reduce input requirements for producing food.

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Why food nostalgia won’t make us more sustainable

Cities mobilize to avert ‘peak delivery’ congestion

April 24, 2018 by  
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The rise of online shopping is jamming traffic and creating new urban sustainability challenges.

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Cities mobilize to avert ‘peak delivery’ congestion

Episode 116: Former EPA chief Gina McCarthy is optimistic, drones meet clean energy

March 16, 2018 by  
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On this week’s episode, a hopeful perspective on the potential for meaningful, grassroots climate action and why automated, flying robots could reduce the cost of wind and solar power.

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Episode 116: Former EPA chief Gina McCarthy is optimistic, drones meet clean energy

Beware of losing your building’s Energy Star standing as updates loom ahead

March 16, 2018 by  
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Early adopters of the ratings system, in particular, could suffer lower scores. But it’s not too late to act.

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Beware of losing your building’s Energy Star standing as updates loom ahead

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