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Tag Archives Pollution

An algae bloom photographed in 2017.
Op/Ed, Opinion

Opinion: Agriculture is part of the solution for Lake Winnipeg

Laying blame on farmers fails to capture nuance of the problem

By
It is not your great-granddaddy’s farm anymore. While some may have nostalgia for the old farm with a little red barn that housed a few chickens, a couple of pigs and a dairy cow, it is better for both the environment and the economy that agriculture has modernized. Today’s farmer has taken, and is taking,
Several studies on shading have showed reductions in corn yield when solar radiation is reduced at various growth stages.
Crops

How is corn impacted by wildfire smoke?

Digging into how wildfire smoke affects corn crops

By
Occasional plumes of smoke from distant wildfires may affect human comfort but how does a smoke-obscured sun and poor air quality affect crops? “This has been a big topic of conversation where I work in the state of Indiana,” said Dan Quinn, an assistant professor of agronomy and extension corn specialist at Purdue University. He
Previous studies have shown that municipal biosolid waste is an important pathway for microplastics to enter broader terrestrial ecosystems, including agricultural fields.
Comment, Op/Ed, Other

Comment: How microplastics are making their way into our farmland

Across nine provinces and 22 wastewater treatment plants, the problem was universal

By ,
Microplastic pollution is a global environmental problem that is ubiquitous in all environments, including air, water and soil. Our recent investigation of microplastic levels in Canadian municipal biosolids found that a single gram of biosolids contains hundreds of microplastic particles. This is a much greater concentration of microplastics than is typically found in air, water
Letters, Op/Ed

Letters: Stronger actions needed on Lake Winnipeg

By
In response to the Co-operator’s July 13 article, “Water strategy action plan launched”. During a press event on July 17, Manitoba Environment and Climate Minister Kevin Klein noted that, in 2013, Lake Winnipeg was designated the most polluted lake in Canada. He went on to say that, since 2016, the Manitoba government has been working
Margret Sinda(left to right), Gladys Chigamba and Catherine Fridolin.
News, Other

African freshwater scientists visit Manitoba lakes

Pollution, algae blooms a big concern in African and Manitoban lakes

By
Four African scientists found parallels between their home lakes and the problems facing Manitoba’s lakes during a recent visit to the province. “We have this common problem of pollution. It doesn’t spare anyone,” said Gladys Chigamba, a research scientist at Lilongwe University in Malawi. Chigamba and three other women from Malawi, Kenya and Tanzania, visited
Research so far has suggested microplastics play havoc with soil structure, release contaminants and harm the soil biosphere.
Comment, Op/Ed, Other

Comment: The problem of microplastics

Natural fertilizers contain them, yet we know next to nothing about their environmental and health impacts

By
Fertilizer, especially nitrogen, uses a lot of energy in its production, particularly natural gas. That means higher prices as natural gas prices rise, something that’s been kicked into overdrive with the war in Ukraine and Russia’s attempt to blackmail Europe by shutting down its Nord Stream 1 pipeline.  It’s caused many to wonder if there
Opinion, Other

Opinion: Plastic bag politics

Reducing single-use plastics is a worthy goal but not an easy one

By ,
An increasing number of people are voicing concerns about the use of plastics in our day-to-day lives. Single-use plastics of any kind are significant yet preventable sources of plastic pollution. In Canada, bans on plastics have so far been left up to municipalities, some of whom are taking action. Both Montreal and Victoria have recently
Maya Almaraz, a National Science Foundation post-doctoral fellow at UC-Davis and the study’s lead author, samples soils for NOx emissions in Palm Springs, California.
Did you know?, News

Soils make smog too

California researchers say as much as 40 per cent 
of nitrogen oxides come from fertilizers

By
Internal combustion engines are typically blamed for smog in urban centres but researchers in California say fertilized fields need to be added to that list. The scientists, from University of California-Davis, say they’ve found about 40 per cent of the nitrogen oxide emissions in the Golden State is coming from fertilized soils in the agriculture-rich
Quebec researchers say a new treatment can remove atrazine from 
surface water.
Did you know?, News, Other

Cleaning up chemicals

Atrazine is the most common weed killer found in Quebec surface water, which prompted the research

By
A group of Quebec researchers, at that province’s Institut National De La Recherche Scientifique, say they’ve identified an effective way to remove the pesticide atrazine from surface water. Atrazine, widely used as a weed killer, is known to have harmful effects on aquatic wildlife and presents a risk to human health by altering the action

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