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News Briefs

  • H2O Innovation subsidiary renews, secures new US municipal contracts +

    H2O Innovation Inc.’s Utility Partners LLC (UP) subsidiary has renewed an existing contract and secured another for a combined $3.7 Read More
  • Climate risk disclosure supported by CPA Canada +

    The Chartered Professional Accountants of Canada (CPA Canada) are lauding the Task Force on Climate-related Financial Disclosures (TCFD) for providing Read More
  • Environmental internships get boost from federal funding +

    ECO Canada's Internship Program received $8.9 million from the Department of Natural Resources. The money, which provides up to 50% Read More
  • New ISO standard expected to help measure and reduce GHG emissions from buildings +

    With buildings accounting for upwards of 40% of all energy used and a third of greenhouse gas emissions globally, developing Read More
  • Maple Reinders complete P3 biosolids project in Calgary +

    Late last month, a biosolids project involving source separated organics (SSO) was completed in Calgary. Built by Chinook Resource Management Read More
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A paper recently published in Nature Communications reveals that forests do a great job of reducing ozone formation in the lower atmosphere. Ozone is a powerful greenhouse gas linked to respiratory problems, smog, climate change and crop damage.

 

The effects of forest canopy shading and turbulence on boundary layer ozone indicates that effectively measuring the level of ozone has been hindered by a previous inability to calculate the impact of forests. The paper notes that this has led to an over-estimation of the amount of ozone below forest canopies.

Published last month, the research was co-authored by several scientists at Environment and Climate Change Canada (ECCC).

“The shaded and relatively stagnant air of the forest ecosystem modifies the chemistry of air pollution, resulting in much less ozone formation than had been previously believed to take place. The study also showed that in the absence of forests, ground-level ozone levels would be as much as 50% higher,” states a news release from ECCC.

Research was carried out at a number of locations to test the scientists model. For example, measurements in the Amazon rain forest indicate an 80% decrease in ozone above the forest compared to levels near ground level. Equally, a forested site in Massachusetts had decreased ozone of more than a factor of two.

The key conclusion to derive from the research is that there is a substantial decrease in ozone below forest canopies and the air quality benefits “extend far above and downwind of the forests themselves and contribute to improved air quality in our communities.”