An article made by a CBC journalist explains how a biologist named Chris Penner managed to eradicate an invasive plant called the buckthorn in his favorite park in Winnipeg. He gathered some volunteers and the city gave them some tools to help them remove the roots of the plant. This project has been going on for years, each year they would remove the buckthorn from a section of the park until there were none left. Now that most of the invasive plant has been removed, the native plants are thriving better than ever. This whole process could have been avoided if the old owner of the park…