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For all those hit by Hurricane Sandy, here is a handy checklist to go through as you assess the damage to your trees. Even if you are safe and dry, […]

We think of forests as full of tall, soaring trees. But some studies claim that newly engineered dwarf trees might actually do a better job revitalizing our woodlands.

People are off to Portland, Oregon for the 2012 ISA Annual Conference! We hope to see you there. And if you’re going, check out the list and map of Portland’s […]

This article in National Geographic’s News Watch blog not only outlines the many diverse benefits of trees clearly, but it includes a great infographic explaining them from SavATree, too. Check […]

Did you notice we’ve added another brand new course to the ISA Online Learning Center? Look for “Bark Beetles” in our course library and learn how to diagnose, prevent, and […]

Japanese scientists find cedar trees that reveal the Earth was hit by a mysterious blast of cosmic rays in the late eight century.

Tree care work can be dangerous, if we allow it to be. After the death of a tree care groundworker in Southern California, the state Department of Public Health’s Occupational […]

Are you a “Certified Tree Hugger”? Order one of our limited edition shirts today before they’re gone!

Can trees affect our health? Learn more about the benefits and services trees provide through a candid interview with Dr. Gregory Moore as he talks about some of the quantitative […]

Scientists say that accelerated growth in the tree rings of bristlecone pines appears to be linked to climate change.