Environmental odour news

Specific odours that represent food or indicate danger trigger a small number of highly specialised sensory neurons that can alter an animal's lifespan and physiological profile, according to researchers at the University of Michigan, University of Houston, and Baylor College of Medicine. Recent research in model organisms and in humans has shown that sensory experiences can impact a wide range of health-related characteristics including athletic performance, type II diabetes, and aging. Nematode worms and fruit flies that were robbed of their ability to smell or taste, for example, lived substantially longer. However, the specific odours and sensory receptors that control this effect on aging were unknown. The researchers used molecular genetics in combination with behavioural and environmental manipulations, and successfully identified carbon dioxide (CO2) as the first well-defined odorant capable of altering physiology and affecting aging. Flies incapable of smelling C...

Environmental odour news: Plan for composting plant may not pass the aroma test

Surrey is looking at a proposal to build a composting plant on land zoned for agricultural use, as municipalities strive to divert tonnes of organic waste from landfills. But the plan, proposed by Private Grove Developments for 25 acres at 176th Street and 12th Avenue in south Surrey, has residents raising a stink about the potential odour problem. Critics also say that if the plant goes ahead, Metro Vancouver will lose more valuable land for food production, but advocates insist composting should be considered an agricultural process rather than an industrial one because it creates organic soil for food production and is essential for sustainable waste management. The plant would produce thousands of times more soil for food production than the land it displaces, says Richard Shatto of Point Nexus Consulting, a firm hired by Pilot Grove. He said that up until now there have been no standards for compost plants so, "big smelly piles of manure and rotting organics is what m...

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Residents Demand Answers About Odor From Rumpke Dump COLERAIN TWP., Ohio -- Dozens of residents lashed out Thursday at officials about the state of the Rumpke landfill in Colerain Township. "I feel we're being managed and dismissed," on resident said. While another tried to make sure their voices were heard saying, "How many hands do I have that we be allowed to speak and address to what you are doing. Nothing." Residents said they were looking to have their questions about the smell coming from the dump answered, not a presentation. "There's no flames, no smoke. It doesn't smell like something's burning," said Paul Ruesch of the EPA. Neighbors have described the smell as a mixture of chemicals. "It doesn't matter if it's a reaction or a fire," Ruesch said. "The dynamic is the same and we're going to deal with it and control it based on what it's giving off." There have been rare temperature reco...

Amaizeingly Green LP is trying out some new equipment in its ongoing battle with odour and noise problems. "We have successfully met the requirements for the install, commissioning and making operational of our new Regenerative Thermal Oxidizer to treat the Germ Dryer exhaust at AGP," general manager Martin Kazmir said in an email. The oxidizer went into operation on March 26 and has "been working well," said Kazmir. In an abatement plan presented in December, the company outlined treating the germ dryer exhaust stream with a Regenerative Thermal Oxidizer. The MOE issued a control order requiring the RTO -Regenerative Thermal Oxidizer-- to be installed by March 26. "This was a next-to-impossible date to meet but we did the best we could and did meet the date of installation. The RTO is the latest in effective technology for treating odour stream," said Kazmir, noting the oxidizer will "reduce any odour stream with 98 per cent efficiency."...

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