The quest to create carbon-negative concrete

December 6, 2017 by  
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New technologies from Canadian companies CarbonCure and CarbiCrete are part of an XPRIZE focused on beneficial uses of carbon dioxide.

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The quest to create carbon-negative concrete

This company wants to turn food waste into building materials heres how

October 20, 2017 by  
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What do peanuts, rice, bananas, potatoes, and mushrooms have in common? In addition to being delicious, they could be transformed into building materials. In a report entitled The Urban Bio-Loop , the Arup group proposes to use food waste (something developed nations have an abundance of) to develop low-cost and eco-friendly materials for use in construction. The authors of the report aim to demonstrate ‘that a different paradigm for materials in construction is possible.” Because first-world nations, such as the United States , waste up to 40 percent of all food , the goal is to turn the waste into a resource for the creation of “construction, engineering, and architecture products,” reports Archinect . This could be done by modifying the traditional waste management system. Discarded organic materials that could prove useful include peanut shells, which could be used to create low-cost partition boards that are resistant to fire and ice; rice , which could be turned into ash and mixed with cement to eliminate the need for fillers; bananas, a fruit whose leaves can make rugged textiles as a result of high-strength fibers; mushrooms, which can be used to grow buildings ; and potato peels, which can be cleaned, pressed and dried to produce a light, fire-resistant and water-repellent insulating material. The group argues that using food waste for building would contribute to a circular economy where organic waste is put to use, rather than tossed into landfills . Repurposing food waste would also reduce the amount of methane that is produced when fruit and vegetable scraps slowly decompose. The gas contributes to global warming , a phenomenon which results in warming temperatures, rising sea levels, and worsening natural disasters. Related: The free grocery store fighting food waste and hunger Arup’s goal is to ameliorate rising levels of waste and a shortage of raw material. Using the low-cost, low-carbon materials would go a long way towards this goal. + “ The Urban Bio-Loop” Via Archinect Images via Wikipedia , Arup Group

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This company wants to turn food waste into building materials heres how

Here’s some climate hope: global CO2 emissions stayed static last year

September 28, 2017 by  
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The fall of coal and rise of renewable energy could be reducing global carbon dioxide (CO2) emissions . The Netherlands Environmental Assessment Agency (NEAA) published data this week showing global CO2 emissions remained stationary in 2016. Economist Nicholas Stern said, “These results are a welcome indication that we are nearing the peak in global annual emissions of greenhouse gases .” Every one of the largest emitting nations, minus India, saw their carbon emissions stay the same or fall. While that’s great news, the same can’t be said of all countries: Indonesia, for example, saw carbon emissions rise, as did Malaysia, Turkey, the Philippines, and Ukraine. NEAA attributed the slowdown in increasing CO2 emissions to switching away from coal to natural gas and renewable energy. Related: The world’s CO2 emissions have not increased in the past three years While NEAA said global CO2 emission levels “were more or less stable in 2015 and 2016,” total global greenhouse gas emissions did increase by around 0.5 percent. NEAA said that rise was largely due to an increase in non-CO2 emission levels, from compounds like nitrous oxide, methane , and fluorinated gases. NEAA report chief researcher Jos Olivier said, “There is no guarantee that CO2 emissions will from now on be flat or descending.” There’s still a victory for some major emitters. China saw CO2 emissions fall by 0.3 percent last year. The United States’ CO2 emissions fell by two percent, Russia’s by 2.1 percent, and the United Kingdom’s by 6.4 percent. The European Union’s emissions stayed flat. We need to keep taking climate action ; Stern said in order to meet the goals of the 2015 Paris Agreement , nations must accelerate their emissions reductions. But he still seemed hopeful, saying, “These results from the Dutch government show that there is a real opportunity to get on track.” Via Netherlands Environmental Assessment Agency and The Guardian Images via Petter Rudwall on Unsplash and Antonio Garcia on Unsplash

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Here’s some climate hope: global CO2 emissions stayed static last year

C.F. Mller’s stunning Low Energy Center in London showcases an innovative use of steel

September 14, 2017 by  
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Europe’s largest new residential heat network – the Greenwich Peninsula Low Energy Center in London – saves over 20,000 tons of carbon every year. C.F. Møller Architects and British artist Conrad Shawcross  designed the groundbreaking facility, which is clad in hundreds of triangular panels that fold and flow across the surface of the tower. The center won this year’s coveted GAGA Architecture Award for the most innovative and effective use of galvanized steelwork. The Greenwich Peninsula Low Energy Center sits at the entrance of the peninsula next to the Blackwall Tunnel Approach. It houses boilers and CHP that provide heat energy to the businesses and homes due to be built in the coming years Its impressive appearance can be attributed to Conrad Shawcross. The artist designed the facade of the 160-foot (49 meter) high tower as a way of communicating commitment to sustainable and affordable energy for all. Related: C.F. Møller Architects designs Danish school that optimizes learning through design The perforated steel panels create a Moiré Effect , and facilitate animated patterns of light at night. Named ‘The Optic Cloak’ the structure is formed of hundreds of triangular panels – each the size of a London bus – folded across the surface of the tower forming complex geometric patterns. + C.F. Møller Architects + Conrad Shawcross Photos by Mark Hadden

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C.F. Mller’s stunning Low Energy Center in London showcases an innovative use of steel

On saving forests, the world’s largest carbon sinks

August 12, 2017 by  
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Satellite data shows forests in retreat. If the carbon encased in just fir trees is released, our warming blanket of carbon dioxide would turn to an overheating quilt.

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On saving forests, the world’s largest carbon sinks

Microsoft’s cloud serves up energy emissions data in near real time

August 9, 2017 by  
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The service, based on RMI’s WattTime, tracks the carbon dioxide, sulphur and other atmospheric-polluting emissions produced by specific power plants.

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Microsoft’s cloud serves up energy emissions data in near real time

When genetic engineering is the environmentally friendly choice

August 9, 2017 by  
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CRISPR gene editing can fight crop disease far more benignly than conventional practices.

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When genetic engineering is the environmentally friendly choice

Debunking the 14 myths about why we should go nuclear

August 9, 2017 by  
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Awaiting the DOE study on baseload generation, here are the reasons why energy efficiency, grid flexibility and renewables enhance low-cost reliability.

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Debunking the 14 myths about why we should go nuclear

There is no ‘new normal’ for climate — only change

July 14, 2017 by  
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Still, there are many reasons we need to eliminate our carbon dioxide emissions, limit global warming and help society adapt to the future.

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There is no ‘new normal’ for climate — only change

Former NASA chief scientist says Americans ‘under siege’ from fake climate news

June 12, 2017 by  
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The science is in on climate change – it’s real and hurting Earth right now. But not all Americans are aware of the threat, according to former NASA Chief Scientist Ellen Stofan. She said the country’s citizens are “under siege by fake information that’s being put forward by people who have a profit motive.” Stofan said the science on climate change is unequivocal. Nevertheless there are still deniers of the phenomenon in the United States – some holding top government positions. Stofan said disinformation and half-truths designed to confuse people have been spread about climate change, and now many people in the country are unaware of the pressing consequences of carbon emissions continuing as is. Related: Americans don’t trust climate change science because of fossil fuel industry’s disinformation She said oil and coal companies have been behind the disinformation, telling The Guardian, “Fake news is so harmful because once people take on a concept it’s very hard to dislodge it.” Stofan said she saw “an erosion of people’s ability to scrutinize information” across the political spectrum, not just on the left or the right. “All of us have a responsibility. There’s this attitude of ‘I read it on the Internet therefore it must be true,” she said. Stofan said the American science community has been realizing the threat of climate change fake news during the past six months, and are working to communicate more with the public and share information with the press. During her career Stofan pointed to planetary science as important for understanding the environment here on Earth. She said planetary science has offered proof that atmospheric carbon dioxide results in a warmer climate . She finds similarities between Earth’s carbon emissions and the runaway greenhouse effect on the planet Venus . Venus once had oceans but now the volcano and lava plain-strewn planet has temperatures nearing 500 degrees Celsius – Space.com described the planet as “our solar system’s analog to hell.” Stofan told The Guardian, “We won’t go all the way to Venus, but the consequences of putting more and more CO2 into the atmosphere are really dire. There are models that suggest if we burn off all our fossil fuels , the Earth would become uninhabitable for humans.” She said our first job should be to keep Earth habitable. Via The Guardian Images via Pexels and Wikimedia Commons

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Former NASA chief scientist says Americans ‘under siege’ from fake climate news

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