In 43 states, jobs involving trimming and pruning trees don't require an arborist license. In those states, the U.S. Bureau of Labor Statistics (BLS) says, on-the-job training may be enough, though ...

Add Yahoo as a preferred source to see more of our stories on Google. ISA Certified arborists are professionals that are able to utilize the most current tree care practices. As the temperature warms, ...

Dallas Heizelman of the Fargo Park District has received the International Society of Arboriculture Arborist Certification. The certification requires individuals pass an examination from the ISA and ...

CHESTERFIELD — The McSweeney family has traveled as far and wide as the Amazon and to the West Coast for arboriculture projects, but their homestead in Chesterfield is where Priya, a humble teenager, ...

Patrick Myers of North Bend recently completed the certified arborist examination administered through the International Society of Arboriculture and the local chapter of the ISA. The purpose of the ...