nutrient load
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Helsinki Metropolitan Area wastewater treatment plants reach record high – nutrient load into the Baltic Sea lowest ever
The wastewater treatment plants in the Helsinki Metropolitan Area achieved their best ever purification results in 2025. According to the Helsinki Region Environmental Services (HSY), nutrient loading into the Baltic Sea has fallen to a historically low […]
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Biochar can be a way to mitigate the environmental impacts of agriculture
Adding biochar to the soil can, among other things, curb nitrogen leaching from fields into waterways, according to a doctoral dissertation conducted at the University of Helsinki. Biochar has a high specific surface area […]
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