Globally, we have a tree-planting problem. As the climate and nature crises escalate, we need to plant billions of trees to remove carbon dioxide from the atmosphere and revive essential ecosystems.

This homegrown carbon offset scheme is inviting you to plant the trees yourself.

Howard Garrett / Special Contributor Proclaiming that galls in trees are simply cosmetic and not a problem is not quite right. The abnormal growths don’t usually cause a problem, but they can ...

This problem is NP-complete and is also a generalization of the Traveling Salesman Problem. In this paper, we present a branch-and-bound algorithm for the exact solution of the Tree QAP based on an ...

For example, a tree located on a highway is managed by the Highways Department, while those in public parks are left to the Leisure and Cultural Services Department.

A plan by the southern Manitoba town of Carman to cut down 18 ash trees along the community's main drag is being met with fierce opposition from some business owners and area residents.