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Pro-Palestinian student protesters end encampment at U of O
CBC via Yahoo News Singapore· 3 days agoDemonstrators calling on the University of Ottawa to divest from companies they say have ties to...
Why air quality is worse when it's really hot
Yahoo News· 3 days agoThe AQI has six color-coded categories with a value system that runs from zero to 500. The higher the level of air pollution the more hazardous it is for...