The data on green data centers is still pretty cloudy

April 24, 2018 by  
Filed under Business, Green

Efficiency gains and clean power investments are adding up for companies such as Google, Microsoft and Facebook, but the pace of digital expansion is making it tough to keep up.

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The data on green data centers is still pretty cloudy

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

How the blockchain could transform sustainability reporting

April 24, 2018 by  
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It could be a breakthrough in verification, reaching far beyond self-interested audiences.

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How the blockchain could transform sustainability reporting

Why Berkshire Hathaway’s utility is aiming for 100 percent renewable energy

April 17, 2018 by  
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Hint: it’s about falling costs and rising customer demand for clean power.

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Why Berkshire Hathaway’s utility is aiming for 100 percent renewable energy

Battery storage is reaching the point of no return

April 17, 2018 by  
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Management teams are bracing for the advent of wider battery installations.

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Battery storage is reaching the point of no return

How the network can protect earth’s natural cycles

April 17, 2018 by  
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Sponsored: IoT is opening doors to innovation, conservation, and more sustainable resource cycles.

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How the network can protect earth’s natural cycles

Apple says they’re "globally powered by 100% renewable energy"

April 10, 2018 by  
Filed under Green, Recycle

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Silicon Valley’s big tech companies are hopping on the clean power bandwagon — last week, Google announced they’d purchased enough renewable energy to match the electricity they consumed in 2017, and now Apple’s making an announcement of their own: their global facilities “are powered with 100 percent clean energy .” Apple’s offices, data centers, and retail stores are all 100 percent powered by renewables, according to the company. They also said nine of their manufacturing partners committed to power their Apple production entirely with clean energy, bringing the tally of supplier commitments up to 23. Related: Google hits its incredible 100% renewable energy goal The Verge pointed out this doesn’t mean every electron or joule originally stems from wind , solar , or other clean energy plants. Some global operations are located in areas that lack access to renewables. Apple purchases enough clean energy to offset their power consumption. They buy Renewable Energy Certificates (RECs), which the Environmental Protection Agency defines as “a market-based instrument that represents the property rights to the environmental, social, and other non-power attributes of renewable electricity generation. RECs are issued when one megawatt-hour (MWh) of electricity is generated and delivered to the electricity grid from a renewable energy resource.” Apple said they work together with partners to construct renewable energy projects — and they have 25 operational projects worldwide with 626 megawatts (MW) in generation capacity. 15 projects are in the works, and when they’re finished, Apple can boast 1.4 gigawatts of renewable energy generation in 11 countries. Apple Park , the company’s Cupertino, California headquarters, is 100 percent powered by clean energy, according to the company, including 17 MW in rooftop solar . Apple CEO Tim Cook said in the company’s statement, “We’re committed to leaving the world better than we found it…We’re going to keep pushing the boundaries of what is possible with the materials in our products, the way we recycle them, our facilities and our work with suppliers to establish new creative and forward-looking sources of renewable energy because we know the future depends on it.” + Apple Via The Verge Images via Apple

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Apple says they’re "globally powered by 100% renewable energy"

Solar and wind energy could meet 80% of US electricity demand

February 28, 2018 by  
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Fourth-fifths of the United States’ electricity demand could be met with wind and solar power , according to four researchers from the Carnegie Institution for Science , University of California, Irvine (UCI), and the California Institute of Technology . UCI associate professor Steven Davis said in a statement , “The fact that we could get 80 percent of our power from wind and solar alone is really encouraging. Five years ago, many people doubted that these resources could account for more than 20 or 30 percent.” The scientists scrutinized global hourly weather data between 1980 and 2015 data to grasp the geophysical barriers to utilizing solely those renewable sources, and think if the United States were to draw only on solar and wind, they’d need to store several weeks’ worth of power to make up for those times when the sun isn’t shining or wind isn’t blowing. According to Davis, the US could reliably obtain around 80 percent of electricity from wind and solar power “by building either a continental-scale transmission network or facilities that could store 12 hours’ worth of the nation’s electricity demand.” Related: Abundant solar threatens fossil fuel companies in Texas to the tune of $1.4 billion It wouldn’t be cheap to invest in expanding transmission or storage capabilities, but the researchers said it’s not inconceivable. They estimate new transmission lines required could cost hundreds of billions of dollars, while storing that amount of electricity with the cheapest batteries today could cost over one trillion dollars, but prices are dropping. Carnegie Institution for Science’s Ken Caldeira said, “Our work indicates that low-carbon-emission power sources will be needed to complement what we can harvest from the wind and sun until storage and transmission capabilities are up to the job. Options could include nuclear and hydroelectric power generation, as well as managing demand.” The journal Energy & Environmental Science published the research this week. + University of California, Irvine + Energy & Environmental Science Lead image via DepositPhotos ; others via Steve Zylius/UCI and Drew Hays on Unsplash

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Solar and wind energy could meet 80% of US electricity demand

IKEA renewable electricity plan could save customers 300 per year

February 23, 2018 by  
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IKEA has set a goal of running on 100 percent renewable energy by 2020 — and they want their customers to live more sustainably too. That’s why they’ve partnered with Big Clean Switch to help people transition to clean power. Using a collective switch model, they’ve secured “an exclusive tariff on 100 percent renewable electricity” — which could save households more than £300 each year . IKEA aims to help people make the change to a renewable electricity provider. According to Big Clean Switch , renewable electricity tariffs work like this: “When you’re on a renewable electricity tariff, your supplier promises to match the amount of electricity you take out of the National Grid by ensuring the same amount of renewable electricity is put in. The more this happens, the greener the Grid should get.” Related: IKEA plans to cut food waste in half by 2020 — here’s how The deal is just for the United Kingdom — but if you live there, you could save hundreds of pounds on your electricity bill each year. Big Clean Switch said making the change is easy; they estimate it will take under five minutes, with no engineer visits necessary, and supply won’t be disrupted. IKEA UK sustainability manager Hege Sæbjørnsen said in a statement, “At IKEA, our commitment to sustainability goes beyond minimizing the impact of our own operations to having a positive impact on the world around us. We want to provide our customers with innovative solutions that will help them live a more sustainable life at home and save money in the short and long term.” IKEA UK started offering solar panels and battery storage for homes last year — we’d love to see the products in the United States! If you live in the UK and want to sign up for the IKEA renewable electricity offer, you can express your interest here . Suppliers will compete to offer their best value tariff, and when the campaign goes live on March 6, IKEA and Big Clean Switch will get in touch with people who expressed interest to let them know the cost. The tariff will only be available from March 6 through March 26. + IKEA + Big Clean Switch Images via Depositphotos and Karsten Würth on Unsplash

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IKEA renewable electricity plan could save customers 300 per year

U.S. cities are the vanguard for a sustainable future

February 22, 2018 by  
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Cities and mayors are showing support for the Clean Power Plan, the nation’s most comprehensive strategy for combat climate change.

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U.S. cities are the vanguard for a sustainable future

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