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Litigation
Wednesday, February 20, 2019
Master bonsai grower calls on thief of 400-year-old tree to water plant »
TOKYO — A master bonsai grower whose 400-year-old tree was taken from a garden outside...
Wednesday, February 6, 2019
At Harvard, The Divinity Tree Stands Between Eco-Driven Arguments »
Andover Hall is the heart — and soul — of Harvard Divinity School.  ...

Pests
Monday, June 29, 2020   (0 Comments - view/add)
Bye bye beetle »
Have you heard the good news? After several years of close monitoring by the Canadian Food Inspection Agency (CFIA), the A...
Friday, May 29, 2020
Scientists find genes to save ash trees from deadly beetle »
Scientists have identified candidate resistance genes that could protect ash trees from the emerald ash borer (EAB), a dea...
Thursday, May 21, 2020
Deadly imports: In one U.S. forest, 25% of tree loss caused by foreign pests and disease »
From  a deadly fungus that showed its face in 1904 on an American chestnut in the Bronx  to  a nematode...
Tuesday, May 19, 2020
Murder Hornets? Here Are 5 Other Scary Invasive Insects »
You’ve seen the headlines. Asian giant hornets – frequently called “murder hornets” – have landed in North America. The ho...
Thursday, May 14, 2020
Washington state now has another bug to worry about after 'murder hornets.' Gypsy moths »
Add another giant bug to the list of things Washington state is working to handle right now. Read more.

Publications
Monday, June 18, 2018
5 times people used trees to change the world »
Here are five stories celebrating trees and the people who love them.  ...
Friday, February 16, 2018
Applied Trees Biology »
  Hirons, A.D., and P.A Thomas. 2018. Applied Trees Biology. Hoboken: Wiley Blackwell. ISB...
Friday, January 19, 2018   (1 Comment - view/add)
Marty Shaw, RCA #470 Announces Release of New Publication »
  Marty Shaw, RCA #470 has announced the coming publication of his new book The Professio...

Root and Soil Concerns
Wednesday, September 5, 2018
In Pyeongchang, trees get help to resist the wind »
We expected the cold. It was, after all, the Winter Olympics.  ...
Tuesday, June 26, 2018
Drip drop, how do trees make flooding stop? »
Natural disasters often strike without warning and wreak havoc wherever they land. A city can...
Monday, May 15, 2017   (0 Comments - view/add)
Soil Microbes May Be Orchestrating Tree Migrations »
As the climate warms and some tree species shift toward cooler, more hospitable habitats, new research finds soil microbes...

Seasonal
Monday, August 3, 2020
Colorado tree selected for Christmas at U.S. Capitol »
A Colorado tree has been selected to move to the U.S. Capitol Building to be displayed over the Christmas holiday, a U.S....
Tuesday, April 9, 2019
How to fix trees that are planted too deeply in containers »
It is sad but true that almost all trees for sale in garden centers are too deep in the containers....
Thursday, March 28, 2019
It’s Tree Planting Time »
Planting a tree in your yard can be beneficial for years to come. Some of the benefits include...
Wednesday, March 27, 2019
A Landscape Designer’s Wild Garden »
THE NEW YORK-BASED landscape designer Deborah Nevins spends much of her time taming profusion. Over her three-decade caree...
Friday, January 4, 2019
Call for women to take up jobs working with trees »
A new initiative aims to encourage more women to consider a career working with trees....

Tree Care Tips (Pruning, Water, and More)
Wednesday, May 27, 2020
The Tree Care Industry and COVID-19 »
As we reach the next step in the COVID-19 pandemic and some states move to reopen, check out these resources from the Tree...
Wednesday, February 27, 2019
A Tree Grows in — Well, You Don’t Want to Know »
REDDING, Calif. —  If you have traveled along the roads, street and highways, chances are...
Sunday, February 10, 2019
Tree trimmers explain how to prevent limb breakage »
Oklahoma City, Okla —  The weight from snow and ice accumulation might make your trees...
Friday, May 4, 2018
Out on a limb »
  Jamie Schlittenhart picks out a particularly tall and robust silver maple from the urban fo...
Wednesday, May 2, 2018
Pruning olive trees is a balance of art, lore and science »
  TORRETTA, Sicily (AP) — Watching Giovanni Caruso prune an olive tree is like observing a m...

Tree Facts
Friday, August 14, 2020
Tree of the Month: Mimosa Tree »
As you look around, it’s hard to miss the attractive pink pom pom flowers of the mimosa tree. These flowers appear during...
Friday, August 14, 2020
Tree of the Month: Mimosa Tree »
As you look around, it’s hard to miss the attractive pink pom pom flowers of the mimosa tree. These flowers appear during...
Friday, August 7, 2020
Can Trees Live Forever? New Kindling for an Immortal Debate »
Some trees can live for thousands of years, but we may not be around long enough to really know whether they can die of ol...
Thursday, July 30, 2020
Is there a maximum tree width? »
Water transport in trees depends partially on water molecules sticking together to form a column in hollow cells within th...
Wednesday, June 24, 2020
Study in Philadelphia links growth in tree canopy to decrease in human mortality »
Increased tree canopy or green space could decrease morbidity and mortality for urban populations - particularly in areas...

Tree Health
Tuesday, September 1, 2020   (0 Comments - view/add)
Multifeature analyses of vascular cambial cells reveal longevity mechanisms in old Ginkgo biloba tre »
Aging is a universal property of multicellular organisms. Although some tree species can live for centuries or millennia...
Tuesday, August 25, 2020   (0 Comments - view/add)
Study shines new light on young tree seedlings »
As it pushes thin new roots into the ground it’s also reaching up with tiny new leaves. Water and energy are precious. M...
Monday, July 6, 2020
Urban Trees and Human Health: A Scoping Review »
The urban forest is a green infrastructure system that delivers multiple environmental, economic, social and health servic...
Monday, June 8, 2020
Tree Deaths in Urban Settings Are Linked to Leaks from Natural Gas Pipelines Below Streets »
A new study finds dying trees are 30 times more likely to have been exposed to methane-contaminated soil, confirming long-...
Wednesday, May 6, 2020
Engineers develop precision injection system for plants »
While the human world is reeling from one pandemic, there are several ongoing epidemics that affect crops and put global f...

Tree Ordinances
Wednesday, March 28, 2018
Encinitas must decide if ficus trees are worth the cost »
  It could cost $1.2 million over the next five years to prune all of downtown's huge ficus...
Thursday, June 22, 2017   (0 Comments - view/add)
Local tree ordinances could be cut in Texas »
I   n January 2015, a few weeks before taking office as...

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