UMD Researchers Find Higher Rates of West Nile Virus-Infected Mosquitoes in Lower-Income Neighborhoods in Urban Baltimore
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In a new study published in the Journal of Medical Entomology, researchers at the University of Maryland (UMD) found higher rates of West Nile virus-infected mosquitoes in lower-income neighborhoods in urban areas of Baltimore, Maryland. Preliminary results point to a need for more research and education to improve environmental justice and protect urban public health in at-risk populations.
Mosquito trapping in Baltimore, Maryland; Credit: Lena McBean, UMD
“In order to effectively address environmental injustices, we have to understand where they occur and why,” says Rothman. “Only after identifying where disease risk is actually greatest can we direct public health resources to communities that need them most.”
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Urine recycling shows multiple environmental benefits in cities: study - Xinhua
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2020-12-16 19:06:18 GMT2020-12-17 03:06:18(Beijing Time) Xinhua English
CHICAGO, Dec. 16 (Xinhua) Diverting urine away from municipal wastewater treatment plants and recycling the nutrient-rich liquid to make crop fertilizer would result in multiple environmental benefits when used at city scale, according to a study led by the University of Michigan (UM).
Using a technique called life-cycle assessment, which provides a comprehensive evaluation of multiple environmental impacts, the researchers compared the performance of large-scale, centralized urine-diversion and fertilizer-production facilities to conventional wastewater treatment plants and the production of synthetic fertilizers using non-renewable resources.
They found that urine diversion and recycling led to significant reductions in greenhouse gas emissions, energy use, freshwater consumption and the potential to fuel algal blooms in lakes and other water bodies. The reductions ranged from 26 percent to 64 perce
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Diverting urine away from municipal wastewater treatment plants and recycling the nutrient-rich liquid to make crop fertilizer would result in multiple environmental benefits when used at city scale, according to a new University of Michigan-led study.
The study, published online Dec. 15 in the journal
Environmental Science & Technology, modeled large-scale, centralized urine-diversion and fertilizer-processing systems none of which currently exist and compared their expected environmental impacts to conventional wastewater treatment and fertilizer production methods.
The researchers found that urine diversion and recycling led to significant reductions in greenhouse gas emissions, energy use, freshwater consumption and the potential to fuel algal blooms in lakes and other water bodies. The reductions ranged from 26% to 64%, depending on the impact category.