Kuli Kuli: A superstar of superfoods

January 10, 2018 by  
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First in a monthly series highlighting women-led ventures in the green economy.

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Kuli Kuli: A superstar of superfoods

Evidence links ESG performance to better investments

January 10, 2018 by  
Filed under Business, Green

A new report looks at the impact of ESG on cash flow and profitability and exposure to risk factors. “The results are unequivocal,” says an MSCI expert.

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Evidence links ESG performance to better investments

What an integrated Western grid means for California

January 8, 2018 by  
Filed under Business, Green

The electricity grids of the Western U.S. are home to major electricity innovation — as well as major grid challenges.

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What an integrated Western grid means for California

What an integrated Western grid means for California

January 8, 2018 by  
Filed under Business, Green

The electricity grids of the Western U.S. are home to major electricity innovation — as well as major grid challenges.

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What an integrated Western grid means for California

Wind power supplied 43.6% of Denmark’s energy in 2017

January 5, 2018 by  
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Denmark set a new renewable energy record in 2017 by obtaining nearly half of its power from wind . The renewable source supplied 43.6 percent of electricity demand, beating the nation’s prior record of 42 percent in 2015 . In just a few years, the country could obtain 50 percent of its power from wind. Denmark’s wind turbines were particularly active in 2017, generating 14,700 gigawatt-hours in 12 months for a new production record, according to Renewables Now . Since 2001, installed wind energy capacity has doubled – even though there are around 20 percent fewer turbines. That’s because today’s turbines are larger and more efficient. The nation has installed 5.3 gigawatts of wind power on land and offshore – and most of the offshore turbines were installed after 2001. Related: Wind energy supplied all of Denmark’s power needs one day last week By 2020, Denmark could obtain around half of its electricity via wind. By then the nation should be able to generate 80 percent of its electricity from renewable sources including biomass and solar power . One of the world’s biggest wind turbine companies, Vestas , is headquartered in Denmark, and Danish companies are selling their green technology around the world, according to prime minister Lars Løkke Rasmussen’s new year speech cited by Danish Energy. CEO Lars Aagaard said milestones like the 43.6 percent figure help put Danish solutions on the agenda. At the end of 2017, Vestas announced a 96 megawatt order for a wind farm in India. TreeHugger points out that as transportation is powered more by electricity, greener grids are good news. Electric cars and buses are traversing the streets, and electric planes could someday be flying the skies. According to TreeHugger, 52 percent of new car sales in nearby Norway were electric. And while Denmark has quite a ways to go before they hit that target, once they do, those electric cars could run on clean electricity from all the wind power generated in the country. Via Danish Energy , Renewables Now , and TreeHugger Images via Depositphotos and Pixabay

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Wind power supplied 43.6% of Denmark’s energy in 2017

Business leaders can rally to these promising policy battles in 2018

January 5, 2018 by  
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Here’s where you’ll find opportunity for greatness and innovation fit for the future

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Business leaders can rally to these promising policy battles in 2018

A ‘Paris Agreement for shipping’ could lower maritime emissions

January 5, 2018 by  
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Along with sustainable aquaculture and stronger ocean biodiversity laws, the world will see a deep dive into marine conservation this year.

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A ‘Paris Agreement for shipping’ could lower maritime emissions

New 1 km solar road opens in Jinan, China

December 28, 2017 by  
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China is getting in on the solar road -building action. A one-kilometer stretch of solar highway developed by Qilu Transportation Development Group just opened for testing near Jinan, the capital city of China’s Shandong Province. According to Quartz the expressway has three layers: the solar panels rest in the middle, with insulation below and transparent concrete on top. Solar panels sprawl across 5,875 square meters, or around 63,238 square feet, covering two lanes and one emergency lane in China’s new solar road now open for traffic. These panels can generate one million kilowatt-hours of clean power every year – that’s enough to meet the daily needs of roughly 800 households, according to Xinhua . Project designer Zhang Hongchao, in an interview with CCTV cited by Quartz, said the road can handle 10 times more pressure than normal asphalt roads. Related: France officially opens world’s first solar panel road Qilu Transportation Development Group chairman Xu Chunfu told Xinhua, “The project will save the space for building solar farms and shorten the transmission distance.” The electricity generated by the solar road could go towards powering street lights, a snow-melting system, surveillance cameras, signboards, and toll gate facilities, with excess energy sent to the state grid. The plan is for the clean power to one day also charge electric vehicles . Xu did not disclose the project’s cost to Xinhua, but did claim it was half of similar projects in other countries, saying, “With the development of solar power in China, the cost can be further reduced.” Zhang said the road cost about 3,000 yuan, or $458, per square meter, and as that is more than regular streets, it may take some time for the project to expand. The Qilu Transportation Development Group described the road as the “world’s first freeway photovoltaic pavement experiment section.” There are other solar roadways throughout the world – around a year ago France opened a one kilometer-long solar panel road in Tourouvre-au-Perche. Via Xinhua , Quartz , and Qilu Transportation Development Group Images via Qilu Transportation Development Group

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New 1 km solar road opens in Jinan, China

Hot electron research could open up greater efficiencies for solar energy

December 26, 2017 by  
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Hot electron research is heating up solar and renewable energy research, according to the Department of Energy’s Argonne National Laboratory . Nanoscientists there uncovered quicker ways to convert power from light to energetic or hot electrons – and their methods could allow for higher efficiencies for solar power. Argonne researchers and collaborators created hybrid nanomaterials – smaller than the width of human hair – “to harness the full energy of photons,” according to the laboratory . The result was what are called hot electrons that “carry the same amount of energy as a photon that strikes nanomaterial components” and could lead to large advances in photovoltaics and photocatalytic water splitting — where materials turn solar energy into hydrogen fuel . Related: SunPower’s new solar shingles are 15% more efficient than conventional photovoltaics Senior scientist and study co-author Gary Wiederrecht said in their statement, “In larger particles, you see very few of these energetic electrons with energies near the photon energy. So you need a smaller particle.” The team zeroed in on metals because they absorb a lot of light, key to increasing the amount of energetic electrons in a material that’s been lit up. They simulated the material to determine what conditions would create the biggest number of hot electrons, and settled on silver nanocubes and gold films divided by aluminum oxide spacers. The nanostructure can crank out hot electrons better than others, according to Argonne. Wiederrecht said, “One of the key advances is our ability to produce energetic electrons over a very broad spectral range – from the ultraviolet through the visible and into the near infrared.” The journal Nature Communications published the research online in October. Scientists from Duke University, the University of Electronic Science and Technology of China, and Ohio University contributed. Via Argonne National Laboratory Images courtesy of Matthew Sykes, Argonne National Laboratory, Shutterstock/Triff and Shutterstock/siro46 and via Depositphotos

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Hot electron research could open up greater efficiencies for solar energy

Germany’s plan to downshift auto emissions

December 26, 2017 by  
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To truly transition to renewable energy, the country must start moving beyond private autos and embrace new digitally-run systems of shared mobility.

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Germany’s plan to downshift auto emissions

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