Search our collection of background (non-event) articles from news media, science journals and other sources.
Blue-green algae blooms, exacerbated by climate change and nutrient runoff, are increasingly appearing in the Great Lakes, posing risks to human and environmental health.
Unusually large amounts of sea ice have brought more polar bears from Northeast to South Greenland, with many unable to return due to currents.
A bat in Grey-Bruce, Ontario, has tested positive for rabies, marking the first local animal case this year and prompting public health warnings.
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