David Scott Riggle

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Location: Dollar, Clackmannanshire
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Location: Scotland, UK
Work: Sustainable development, waste reduction, composting, recycling, anaerobic digestion, community economic development, archetypes, behaviour change
Biographical: Currently I'm employed by the Waste Services department of a Scottish Local Authority doing communications and development work focusing on waste reduction, recycling, composting programme for households. We've recently introduced a weekly household food waste collection, which has required a lot of effort and attention. Previously, in Scotland, I've set up, publicised and run a home composting campaign for a Landfill Tax Trust; Co-ordinated development of a regional Local Agenda 21 Plan for Roundtable of local organisations involved with sustainable development; and was International Editor for BioCycle, Journal of Composting and Recycling. Before relocating to Scotland, I wrote, edited and managed production for several publications relating to composting, recycling, sustainable development, environmental business and organic gardening. Also have some hands on experience with community economic development and community involvement in policy decisions and implementation.
Favourite Publications: BioCycle, Journal of Composting and Recycling New Scientist ID21 News Compost Science & Utilisation WASTE bulletin

Anaerobic digestion articles

By David Scott Riggle, 2009-08-25
Over a number of years working with BioCycle magazine, I wrote some articles on anaerobic digestion. A number of them are available via the web and I thought I'd post some links and abstracts here in hopes this might be useful to others. This is also my first post here and I'm not sure what it will look like.All articles noted below are copyrighted to BioCycle and can be found through them.1. Anaerobic Digestion Gets New Life on Farms, 1997full article with photos on the US EPA's AgStar site:"...increasing attention has been given again to on-farm anaerobic digestion systems by farmers, researchers and government officials. Interestingly, the most prominent reason has to do with a scientific reality that was barely on the horizon 20 years ago - global climate change due to methane and other human-related sources of greenhouse gases...."Abtracts:The following link from FAQS.ORG and CAT.INIST.FR would not convert to hyperlinks but should be accessible via cut and paste -- or through a search on the sites.http://www.faqs.org/abstracts/Environmental-services-industry/Anaerobic-digestion-gets-new-life-on-farms-Anaerobic-digestion-for-MSW-and-industrial-wastewater.htmlhttp://cat.inist.fr/?aModele=afficheN&cpsidt=25518032. Converting Wet Organics with Anaerobic Digestion, 1995Food residuals from fish heads to produce trimmings are providing feedstock for a facility on Oahu that is producing methane, soil amendment and irrigation waterAbstract:AGRIS FAO of the United Nations3. Anaerobic Digestion for MSW and Industrial Wastewater, 1996When organic materials decompose without oxygen, the anaerobic bacteria that do the work produce methane and carbon dioxide. This naturally occurring bit of microbiological alchemy has long been utilized for energy production on farms in Asia, and as far back as the 1890s, biogas was recovered from sewage treatment facilities and used to fuel street lamps in England. However, only in the last 25 years or so have serious attempts been made to fully develop a technology of anaerobic digestion to treat liquid and solid waste streams from farms, municipalities and industry. "The industry has ...Abstracts:North Carolina p2paysAgain, the following links from Encyclopedia.com and CAT.INIST.FR would not convert to hyperlinks but should be accessible via cut and paste -- or through a search on the sites.http://cat.inist.fr/?aModele=afficheN&cpsidt=2482211http://www.encyclopedia.com/doc/1P3-10436908.html4. Acceptance Improves for Large-Scale Anaerobic Digestion, 1998An update of developments in anaerobic digestion technologies indicates that the number of projects targeting municipal solid waste fractions, industrial wastewaters and manures continues to increase.Abtracts:AGRIS FAO of the United Nations5. And thanks to archives of the Internt Conference on Integrated Biosystems (ICIBS), so ably coordinated by Jackie Foo, here's an old bio for the presentation of the paper in 4 above.
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