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ENN ENN ENN Environmental News Network -- Know Your Environment
06
Sat, Sep
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  • Technique Could Help the Nation's Coal Plants Reduce Greenhouse Gas Emissions

    Carbon capture could help the nation’s coal plants reduce greenhouse gas emissions, yet economic challenges are part of the reason the technology isn’t widely used today. That could change if power plants could turn captured carbon into a usable product.

    >> Read the Full Article
  • Heavy Oils and Petroleum Coke Raising Vanadium Emissions

    Human emissions of the potentially harmful trace metal vanadium into Earth’s atmosphere have spiked sharply since the start of the 21st century due in large part to industry’s growing use of heavy oils, tar sands, bitumen and petroleum coke for energy, a new Duke University study finds.

    >> Read the Full Article
  • Heavy Oils and Petroleum Coke Raising Vanadium Emissions

    Human emissions of the potentially harmful trace metal vanadium into Earth’s atmosphere have spiked sharply since the start of the 21st century due in large part to industry’s growing use of heavy oils, tar sands, bitumen and petroleum coke for energy, a new Duke University study finds.

    “Human emissions of vanadium to the atmosphere now exceed those from all natural sources combined -- by a factor of 1.7,” said William H. Schlesinger, James B. Duke Professor Emeritus of Biogeochemistry at Duke’s Nicholas School of the Environment, who led the study.

    “Less than two decades ago, the ratio of human to natural emissions was 0.59 to 1, or less than half the current level,” Schlesinger said. “Our analysis suggests that much of this rapid rise can be traced to the increased use of unconventional heavy-petroleum fuels.”

    >> Read the Full Article
  • Exposure to Larger Air Particles Linked to Increased Risk of Asthma in Children

    Researchers at The Johns Hopkins University report statistical evidence that children exposed to airborne coarse particulate matter — a mix of dust, sand and non-exhaust tailpipe emissions, such as tire rubber — are more likely to develop asthma and need emergency room or hospital treatment for it than unexposed children.

    >> Read the Full Article
  • Prescription drugs in treated wastewater are making fish more vulnerable to predators

    A team of researchers from Environment Canada and Climate Change Canada and McMaster University have found that fish living downstream from a wastewater treatment plant showed changes to their normal behaviour—ones that made them vulnerable to predators—when exposed to elevated levels of antidepressant drugs in the water.

    The findings, published as a series of three papers in the journal Scientific Reports, point to the ongoing problem of prescription medications, personal care products and other drugs that end up in the watershed and the impact they have on the natural environment.

    >> Read the Full Article
  • Air pollution project harnesses the power of backyard science

    Right now, a handful of motivated Fort Collins citizens are doing something a little out of the ordinary. They’re collecting cutting-edge scientific data from their backyards that may soon help NASA create maps of global air pollution.

    The volunteers are part of a network of citizen scientists for a Colorado State University-led project called CEAMS: Citizen-Enabled Aerosol Measurements for Satellites.

    The goal of CEAMS is to improve understanding of local air quality through dispersed, ground-based measurements. Data on this scale could eventually help NASA satellites provide higher-resolution air quality data than is possible today.

    >> Read the Full Article
  • Human-Caused Warming Likely Intensified Hurricane Harvey's Rains

    New research shows human-induced climate change increased the amount and intensity of Hurricane Harvey’s unprecedented rainfall. The new findings are being published in two separate studies and being presented in a press conference today at the 2017 American Geophysical Union Fall Meeting, along with additional new findings about recent Atlantic Ocean hurricanes.

    >> Read the Full Article
  • Marine Turtles Dying After Becoming Entangled in Plastic Rubbish

    Hundreds of marine turtles die every year after becoming entangled in rubbish in the oceans and on beaches,  including plastic ‘six pack’ holders and discarded fishing gear.  

    >> Read the Full Article
  • California's 2017 Wildfire Season Continues to Break Records

    The Thomas Fire burning north of Los Angeles in Ventura County, California is now the state’s fifth-largest wildfire on record. Less than 15 percent contained and moving west quickly, the fire is being fueled by dry conditions and strong winds. It is one of five wildfirescurrently burning in southern California.

    >> Read the Full Article
  • Green infrastructure: New tool by University of Toronto researchers to help construction industry reduce carbon footprint

    A team of researchers from the University of Toronto is partnering with the construction industry to help reduce the carbon footprint of buildings, bridges, public transit and other major infrastructure projects.

    “What we’re building is a decision-support tool that can be used in the early stages of design and planning,” says Heather MacLean, a professor in the department of civil engineering who is one of five Faculty of Applied Science & Engineering professors involved in the project. “Ultimately, the goal is to produce infrastructure with much lower greenhouse gas impact.”

    >> Read the Full Article

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