natural resources Articles

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Measurement of a Doubly Substituted Methane Isotopologue, 13CH3D

by Aerodyne Research, Inc.  (Oct. 14, 2014)

ABSTRACT: Methane is an important energy resource and significant long-lived greenhouse gas. Carbon and hydrogen isotope ratios have been used to better constrain the sources of methane but interpretations based on these two parameters alone can often be inconclusive. The precise measurement of a doubly substituted methane isotopologue, 13CH3D, is ...

A Cleaner Energy Future

by ASTM International  (Oct. 16, 2014)

As renewable energy plays an increasingly important role in the world’s energy portfolio, the standards of ASTM International Committee E44 are helping to pave the way for innovation in clean energy sources. A growing population and improving living standards around the world are causing significant increases in energy demand and competition ...

When it comes to food packaging, what we don’t know could hurt us

by Ensia  (Oct. 13, 2014)

Recent analyses raise disturbing questions about the health and environmental effects of the stuff that encases our edibles. It’s almost impossible to imagine life without flexible, transparent and water-resistant food packaging, without plastic sandwich bags, cling film or shelves filled with plastic jars, tubs and tubes, and durable bags ...

Mission Creek: Flood Risk Reduction and Streambank Restoration

by LimnoTech Inc.  (Oct. 1, 2014)

On June 19th, 2012, the residents of Duluth, Minnesota experienced a storm event for the record books. Over the course of 24 hours, approximately 9 inches of rain pummeled the landscape, causing massive floods and landslides throughout the city. As a result, Duluth’s infrastructure and natural resources were severely damaged, notably miles ...

PE INTERNATIONAL – Business Value from Operating Sustainably

by PE International AG  (Sep. 22, 2014)

Sustainability is often seen as a woolly concept that has no place in the boardroom. At PE INTERNATIONAL, we don’t believe that is true. It is becoming ever more evident that there is tangible business value to be unlocked from looking at your company’s operations through a sustainability lens. And despite what the naysayers would have ...

Food Waste Collection Companies Grow With The Flow

by BioCycle Magazine  (Sep. 21, 2014)

On October 1, the Commonwealth of Massachusetts’ ban on landfill disposal of commercial organics from establishments generating one ton or more of food waste per week goes into effect. On the front lines of helping these businesses and institutions comply are organics haulers, many of whom have been offering their services for years. ...

Power Positive Resource Recovery

by BioCycle Magazine  (Aug. 22, 2014)

Using laws of thermodynamic analysis to evaluate the energy and power characteristics of wastewater and beneficial uses of biogas offers greater insight into best business practices and what is achievable. Growing numbers of waste-water treatment plants (WWTP) are striving to produce more power onsite. In recent years, there’s even been a ...

What Is Natural Capital, Anyway?

by Ensia  (Jul. 24, 2014)

Wikipedia defines natural capital as “the stock of natural ecosystems that yields a flow of valuable ecosystem goods or services into the future” — a definition that’s begging to be translated into plain English. In this easy-to-comprehend, and at times hilarious, video from the ...

Comparison between the coagulants surfactant modified bentonite, combination chitosan-natural bentonite and combination chitosan-modified bentonite for peat water treatment

by IWA Publishing  (Sep. 5, 2014)

Peat water is an abundant water resource in Asia, especially in rural areas. However, it is unsuitable to be used as a commercial water supply. Monitoring peat water characteristics at Beriah swamp, Perak, recorded colour (238 PtCo), turbidity (12.86 NTU), iron (0.89 mg/L), pH (4.8) and chemical oxygen demand (COD) (27 mg/L) over the national ...

NaWaTech Compendium of Natural Water Systems and Treatment Technologies to cope with Water Shortages in Unbanised Areas in India

by IWA Publishing  (Sep. 8, 2014)

Providing adequate water supply and sanitation, particularly in urban areas, is a challenging task for governments throughout the world. This task is made even more difficult due to predicted dramatic global changes. Population growth, urbanisation, increasing industrialisation, climate change and a steep increase in water consumption are putting ...

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