Kyle Rudzinski, director of sustainability strategy at Levi Strauss & Co. on cutting fashion’s emissions

November 5, 2018 by  
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Levi Strauss & Co. recently announced its big push to cut emissions and improve material reuse. Redesigning clothing and a large global company for a more positive environmental impact at the same time aren’t easy tasks. But Kyle Rudzinski, director of sustainability strategy at Levi Strauss & Co., is optimistic. He sat down with John Davies, senior vice president at GreenBiz, to discuss his approach.

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Kyle Rudzinski, director of sustainability strategy at Levi Strauss & Co. on cutting fashion’s emissions

The case for pursuing clean energy through systems thinking

June 22, 2018 by  
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The executive director of Phipps Conservatory and Botanical Gardens reflects on how this approach has helped his organization reduce CO2 emissions twice as much and twice as fast as the Paris Agreement.

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The case for pursuing clean energy through systems thinking

A ‘persuasion strategy’ to race to 100 percent renewable energy

August 3, 2017 by  
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This approach helped people in Hawaii agree to a grand renewable energy goal. Now it can help them get there.

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A ‘persuasion strategy’ to race to 100 percent renewable energy

Creating the Humane Economy

February 23, 2017 by  
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Humane Society President and CEO Wayne Pacelle shares his approach to “animal protection 2.0,” the role of corporate and consumer in tranforming the lives of animals worldwide, and how this disruption can actually be a driver of business value.

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Creating the Humane Economy

The Elektron is the worlds most compact folding electric bike

August 15, 2016 by  
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Most electric bicycles on the market are heavy and difficult to carry around. But the Elektron from Tern and Bosch is a new kind of e-bike : light, compact, and able to fold up small enough to fit in a car trunk. The Elektron is capable of driving 31-62 miles on a single charge, making it perfect for most daily commutes. It runs on a 400Wh Bosch battery and can fold up in just ten seconds. The bike is engineered to resist extreme temperatures, so it’s usable year-round. Unfortunately, the bike isn’t for sale just yet, but the company plans to open for preorders in October through Kickstarter. They claim this approach will yield valuable public feedback before the product goes to market. + Tern Bicycles Via Acquire  

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The Elektron is the worlds most compact folding electric bike

Domtar’s collaborative approach to sustainable forestry

March 3, 2016 by  
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Sponsored story: Protecting the world’s forests has become a business imperative. That’s why sustainable forestry principles guide this approach.

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Domtar’s collaborative approach to sustainable forestry

Can D.C. help flush away misconceptions about biosolids?

November 6, 2015 by  
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In an effort to move beyond the ick factor, District of Columbia water officials are among those reconsidering their approach to solid waste.

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Can D.C. help flush away misconceptions about biosolids?

Finally, A Children’s Paint Kit For Your Pint-Sized Picasso

September 8, 2015 by  
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Leah Fanning Mebane surrounds herself with beauty, in her art, her philosophy, and her approach to creation. It was only natural then, when she found herself pregnant with her son, Django, in 2009, that she felt called to renew her dedication to…

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Finally, A Children’s Paint Kit For Your Pint-Sized Picasso

Electric Turbochargers to Improve Engine Efficiency

November 23, 2014 by  
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In the ongoing quest to improve, electrically powered turbochargers may be the next step in increasing engine efficiency for automobile engines.  The first such to be included in a production model is slated to come in 2016 from Audi on its SQ7 SUV. Turbo boost has been a popular way of increasing the power of an engine without increasing its size.   Ford’s EcoBoost is an example of this approach, using 3-, 4-, and 6-cylinder engines in vehicles which had previously used larger engines.  Turbocharging an engine increases the amount of air, and therefore fuel, being fed into the engine, providing better performance from a smaller-sized engine. Conventional turbos use exhaust gasses to spin the turbine that forces more air into the engine.  This is efficient, but it produces “turbo lag” as the engine needs to increase speed in order to develop the boost.  But an electric turbo can respond almost instantaneously, providing added power without any delay.  Furthermore, as Green Car Reports notes, “a more responsive turbo will help the engine produce more low-end power, meaning drivers won’t have to venture higher into the rev range–and increase fuel consumption–as much.” This becomes a more viable option with the increased computerization of engine control systems, which can read the driving conditions and trigger small amounts of boost as needed. Whichever kind of turbo is used, the benefits come from having a smaller engine, both in terms of the overall displacement of the cylinders, as well as the mass of the engine itself.  Smaller engines mean less weight the car has to move, which helps in efficiency.  And the smaller displacement means less fuel is routinely used, while the power that would have been available is still there, thanks to the boost of the turbo. via:  Gas 2.0 image credit: Wikipedia/NASA

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Electric Turbochargers to Improve Engine Efficiency

Navy Demonstrates Fuel From Seawater Production

May 7, 2014 by  
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A team of US Navy research scientists has developed a method to produce liquid fuel from seawater, using CO2 and hydrogen extracted from the ocean and then processed with a metal catalyst to produce liquid fuel. As a demonstration of the concept, an unmodified scale airplane has been flown with the seawater fuel. The concentration of CO2 is about 140 times higher in seawater than it is in the atmosphere. Carbon dioxide and hydrogen are the two feedstocks needed to make hydrocarbons. The process relies on “an iron-based catalyst [which] has been developed that can achieve CO2 conversion levels up to 60 percent and decrease unwanted methane production in favor of longer-chain unsaturated hydrocarbons (olefins).” The process is claimed to be the first technology of this type with the potential for commercial implementation. “The predicted cost of jet fuel using these technologies is in the range of $3-$6 per gallon, and with sufficient funding and partnerships, this approach could be commercially viable within the next seven to ten years.” video clip: Flight with Seawater Fuel image credits: U.S. Naval Research Laboratory

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Navy Demonstrates Fuel From Seawater Production

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