Earth911 Quiz #21: CO2 Emissions Fact Challenge

July 26, 2018 by  
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Everyday activities — like driving, choosing clothes and food at … The post Earth911 Quiz #21: CO2 Emissions Fact Challenge appeared first on Earth911.com.

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Earth911 Quiz #21: CO2 Emissions Fact Challenge

Designers envision innovative affordable housing for Sydney

May 7, 2018 by  
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The Sydney Affordable Housing Challenge , organized by Bee Breeders , calls for ideas that try to solve the affordable housing shortage in Sydney. The competition attracted worldwide talent as designers attempted to create innovative solutions. Many of the successful entries offered more than just housing — they designed spaces that would build communities. Bridging Affordable Housing, the winning entry, intersperses  green-roof prefab housing units throughout the city. The project involves “a simple module : a structural bridge pier with decking that contains prefabricated housing units topped by a green roof.” Instead of stacking the units, the team designed the houses above the city’s streets like bridges. The second prize winner is “Newborn in the Crevice”, which combines housing units with public spaces in a structural grid. The simple vertical arrangement makes the design adaptable to population needs and economic conditions. Related: Tiny new flat-packed off-grid homes offer affordable housing breakthrough The third place project, TOD and Waterfront Housing, envisions “stacked prefabricated units floating within the bays of  Sydney .” It creates  waterfront  housing and commercial spaces and introduces a rail system to reduce dependence on cars. Finally, The BB Green Award winner was project Water Smart Home Sydney, which aims to sustainably harness energy from several sources, through both passive and active systems. The project authors said they hope their design helps to “…contribute ideas that could bring desirable living within reach of the majority of the population and lift the burden of housing affordability for young people and low-income families.” + Sydney Affordable Housing Challenge Via Archdaily

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Designers envision innovative affordable housing for Sydney

These new airless 3D-printed bicycle tires never go flat

May 7, 2018 by  
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Will cyclists pedal bikes with airless tires in the future? BigRep just unveiled a new set of 3D-printed bike tires and took them out for a whirl in Berlin, Germany. The airless tires are made from PRO FLEX Filament – a new thermoplastic elastomer that introduces flexibility to 3D-printing . Designer and test cyclist Marco Mattia Cristofori described the ride as “very smooth”. PRO FLEX Filament can be used with the BigRep One industrial 3D-printer and it boasts “high temperature resistance, low temperature impact resistance” and durability “with excellent damping behavior and dynamic properties.” Related: NASA’s new airless titanium tires are almost indestructible Possible applications for the material include skateboard wheels, sporting shoe shells — and bicycle tires. The flexibility of PRO FLEX is what enables it to work for the airless tires. Maik Dobberack of BigRep told CNET the idea behind the tires is that users could print and customize the treads and internal patterns for varying needs: mountain biking, cycling on roads or handling various weather conditions. Unfortunately, you won’t be able to buy the airless bicycle tires in a store at this point. Dobberack told CNET the tires were an “in-house industrial application design” not intended for large-scale production right now. “The main goal of the design was to inspire and explore the endless possibilities of large-scale 3D-printing,” Dobberack said. We printed the world's first 3D printed airless bicycle tire using our new PRO FLEX material – a TPU-based filament – and took it for a spin in Berlin. Stay tuned for some exciting news! #3dprinter#prototype #bigrep #design #3dprinting#additivemanufacturing #italiandesign #tpufilament A post shared by BigRep 3D Printers (@bigrep3dprinters) on May 3, 2018 at 7:52am PDT The company has also played around with 3D-printed wheel rims , also designed by Cristofori, in “a meeting of advanced design and industry.” Cristofori said, “With 3D printing you can prototype organic forms… It allows you to envision more complex shapes, because you don’t really have any limits.” Last year, Michelin unveiled concept tires that were also 3D-printed and airless; their Vision tire was printed with organic, recyclable materials and was completely biodegradable . + BigRep Via CNET Images and video courtesy of BigRep.com

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These new airless 3D-printed bicycle tires never go flat

The Earth911 Quiz #6: Challenge Your Sustainability Thinking Skills

May 1, 2018 by  
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&lt;br /&gt;<br /> &amp;lt;section&amp;gt;&lt;br /&gt;<br /> &amp;lt;h2&amp;gt;The Earth911 Quiz #6: … The post The Earth911 Quiz #6: Challenge Your Sustainability Thinking Skills appeared first on…

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The Earth911 Quiz #6: Challenge Your Sustainability Thinking Skills

Building the Future, Jason McLennan, CEO, McLennan Design

October 3, 2017 by  
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The co-author of the Living Building Challenge and one of the world’s most admired thinkers in green building shows how the future of the built environment is manifesting today. 

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Building the Future, Jason McLennan, CEO, McLennan Design

A tale of two ‘living’ buildings in the Capitol

July 13, 2017 by  
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Measuring the intangible value of two Living Building Challenge and WELL Building certifications in Washington, D.C.

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A tale of two ‘living’ buildings in the Capitol

GM, Michelin put brakes on deforestation linked to rubber

July 13, 2017 by  
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Deforestation has accelerated in the rubber producing countries of Southeast Asia to feed global demand for tires. But Michelin and now General Motors have launched zero deforestation rubber procurement policies.

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GM, Michelin put brakes on deforestation linked to rubber

13-year-old Ohio girl taps traffic to generate renewable energy

July 10, 2017 by  
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We may be one step closer to tackling our energy crisis if this 8th grader has anything to say about it. 13-year-old Laalitya Acharya from Ohio came up with TraffEnerate, an invention that uses vehicular traffic to generate clean power . She’s a finalist in the 2017 Young Scientist Challenge , and stands to win $25,000. Acharya started researching cheap, easily renewable resources of energy, and came across a device she calls a piezo. She explains when stress is applied to a piezo, it generates electricity . She wanted to make it easy to utilize piezos, so she designed TraffEnerate to obtain power when cars drive over the devices. Her prototype incorporates 11 piezo sensors and a 3D-printed block so stress will be applied to all 11 piezos even if a car just barely passes over the corner of the prototype. Related: 13-year-old Maanasa Mendu invents groundbreaking clean energy device that costs just $5 Acharya also designed a reciprocating motion machine to test the prototype. Her robot consistently applied stress to the invention, seen in an oscilloscope reading. She hopes to implement TraffEnerate in the busiest intersections of her hometown of Mason, Ohio . Acharya said on the challenge website, “I wanted to change the world, that simple. On my family’s yearly trip to India, I saw children who have no power in their homes, huddling near dangerous fires. I wanted to change their position in life, to make it better by creating clean energy and electricity.” The 2017 Young Scientist Challenge is put on by Discovery Education and 3M . There are 10 finalists for this year’s challenge, with innovative projects such as a way to detect lead in water, treating Alzheimer’s with plant components, and cleaning up oil spills with pomegranate husks and orange peels. A winner will be chosen in October. + Young Scientist Lab Via Young Scientist Challenge and Rajesh Acharya Images via screenshot

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13-year-old Ohio girl taps traffic to generate renewable energy

Praying mantises hunt down and eat small birds, including hummingbirds

July 10, 2017 by  
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We know praying mantises are carnivorous – they’ve been documented consuming frogs, lizards, and snakes. But they also kill and consume small birds like hummingbirds , according to new research from zoologists in Switzerland and the United States. We expect birds to eat insects , not the other way around, so the reversal is startling – and humans may have had a role to play in the deaths of these hummingbirds. The zoologists gathered 147 cases of mantids capturing small birds. Praying mantises from 12 species and nine genera engaged in the behavior, which was found on every continent except Antarctica, in 13 countries. The insects weren’t too picky about the birds they ate either – 24 different species and 14 families of birds were among the prey. Related: 9 things you can do to help wild birds this summer But 70 percent of the cases in this research occurred in the United States. There, the insects have been employed as pest control – a practice which had unintended consequences. Several alien species of big praying mantises were released in North America decades ago for pest control, and now threaten small birds. They snare hummingbirds at hummingbird feeders, or in home gardens filled with plants the birds pollinate . These hummingbirds comprise the majority of the birds preyed upon by praying mantises. 78 percent of the birds captured were eaten, according to the researchers. 18 percent were liberated by humans. Only two percent escaped on their own. Scientist Martin Nyffeler of the University of Basel said in a statement, “Our study shows the threat mantises pose to some bird populations. Thus, great caution is advised when releasing mantises for pest control.” Nyffeler was the lead author on a paper recently published in The Wilson Journal of Ornithology , joined by zoologists from National University and Louisiana State University . Via TreeHugger and the University of Basel Images via Zoran Ožetski on Unsplash and Beckie on Flickr

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Praying mantises hunt down and eat small birds, including hummingbirds

Can we really solve the million-piece climate puzzle?

April 20, 2017 by  
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Too many of us are too focused on addressing narrow slices of the challenge, rather than the bigger picture.

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Can we really solve the million-piece climate puzzle?

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