ISA News

ISA Executive Director, Jim Skiera, was interviewed for a radio spot. Check out this short sound bite on tree care

How can communities benefit the most from trees at a low cost? Gordon Mann discusses the six components to practicing sustainable urban and community forestry on this episode of ArborViews.

Ken James explains his study on the effects of wind loads on both urban and forest-grown trees. Learn how branches affect the movement of trees during heavy wind loads, and […]

Dendro takes a fall while cleaning his gutters. Can Codit fill Dendro’s shoes by completing a basic tree risk assessment on a mutilated Muehlenbergii? Find out on this episode of […]

Learn more about how biological control methods work, as Francis Schwarze explains the process for identifying the proper antagonistic strain for a pathogen, on this episode of Science of Arboriculture.

In the lingering last minutes before the 2013 Olympic openings, Ru Trundiep receives a shady shipment of laurels that will be used to make wreaths for the winners. Will the […]

Say “La Brea Tar pits,” and most people imagine the saber-tooth cats and woolly mammoths that were trapped on sticky asphalt (now in modern-day Los Angeles), only to have their […]

Want to make high-density cities more liveable? Here’s a top 10 list from the Urban Land Institute. Number 3, draw trees and nature closer to people. Trees make everybody happier–improve […]

The world needs more people like Lai Pei-yuan, who has spent years and millions of dollars planting trees across his homeland.

You may be able to visit a grove of newly cloned “ancient” trees coming to a campus near you in the future.