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.

We show that the problem of determining this minimum length, given A, is NP-complete. Thus the problem of finding optimum rectilinear Steiner trees is probably computationally hopeless, and the ...

Potential Tree Problems & Landscape Trends Special | 56m 55sVideo has Closed Captions| CC Backyard Farmer looks at potential problems with trees and new hardscape trends in the horticulture industry.

Here’s why that’s a problem The first nationwide Tree Equity Score data could serve as a guide for leaders and residents to advocate for more tree shade in lower-income neighborhoods.

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 example of a street tree blocking a private rooftop solar system is one that could become much more common in Worcester — and nationwide — in the years ahead, as the city moves from ...

The history of the Euclidean Steiner tree problem, which is the problem of constructing a shortest possible network interconnecting a set of given points in the Euclidean plane, goes back to Gergonne ...