On Point With Alex Pierson

It's no secret that Toronto loves its trees, but did you know that there is a very invasive species of tree in the city? Acer platanoides, more popularly known as the the Norway maple, is an invasive species. The Ontario Invasive Plant Council calls these trees “a serious threat to woodlands across Ontario” because of their aggressive spread into forests and ability to suppress native species. The City of Toronto has actively stopped planting these trees, but they're already one of the most popular trees in the city. Françoise Cardou, an urban ecologist at the University of Toronto Scarborough, joined Alex to talk about them and how difficult it would be to just replace them. Learn more about your ad choices. Visit megaphone.fm/adchoices