16 Mauget & Arborjet Tree Injection Training Seminar. Traverse City, Mich. To learn more, call 800-423-3789.

17 Mid-Atlantic Chapter ISA Tree Climbing Championship. Bowie, Md. For more information, call 703-753-0499 or visit www.mac-isa.org.

21-23 2010 Mississippi Urban Forest Conference. Best Western, Horn Lake, Miss. For details, e-mail dyowell@aol.com.

27 Introduction to Tree Biology. Philadelphia, Pa. To learn more, call 215-247-5777, ext. 125, or e-mail dcaraher@upenn.edu.

27-28 Certified Treecare Safety Professional Workshop. Mauget offices, Arcadia, Calif. For more information, visit www.treecareindus try.org.

28-May 1 ISA Western Chapter Conference & Trade Show. Doubletree Hotel Reid Park, Tucson, Ariz. For details, visit www.wcisa.net.

29 Scouting for Pests & Problems of Woody Ornamentals. Jamaica Plain, Mass. For more information, call 413-545-0895, e-mail eweeks@umext.umass.edu or visit www.umassgreeninfo.org.

29 Beaufort’s Live Oak Tree Legacy & Community Forestry: Past, Present & Future. Beaufort, S.C. To learn more, call 843-907-2323.


1 Eastern Tree Climbing Championship. Philadelphia, Pa. For more information, visit www.penndelisa.org.

3 Tree Risk Assessment Course & Exam. Richland Community Center, Richland, Wash. For details, visit www.pnwisa.org.

4-5 ArborMaster Level I Tree Climbing Methods & Best Practice. Taylor, Mich. To learn more, visit www.arbormaster.com.

6-7 ArborMaster Level I Precision Felling, Chain Saw Handling, Safety & Ergonomics. Taylor, Mich. For details, visit www.arbormaster.com.

7 Hazard & Danger Tree Cutting & Felling. Lake D’Arbonne State Park, Farmerville, La. To learn more, call 225-578-7219.

7-8 Emergency Response & Climbing Aerial Rescue. Iroquois Park, Louisville, Ky. For details, call 888-652-9116 or visit www.northamericantrainingsolutions.com.

10 Soil Biology & its Effects on Tree Management. Philadelphia, Pa. For more information, call 215-247-5777, ext. 125, or e-mail dcaraher@upenn.edu.

10-11 Tree Worker Training Program. North Carolina Zoo, Asheboro, N.C. For details, call 336-318-6000.

10-14 Western Pennsylvania Tree Climbing School. Pittsburgh, Pa. To learn more, visit www.penndelisa.org.

21-22 Tree Climbing Competi-tion 2010. Bob Woodruff Park, Plano, Texas. For more information, visit www.isatexas.com.

22 Western Tree Climbing Championship. Pittsburgh, Pa. For details, visit www.penndelisa.org.


2-5 Native Plants in the Landscape Conference. Millers-ville University, Millersville, Pa. For more information, call 717-871-2189 or visit www.millersvillenativeplants.org.

3 Scouting for Pests & Prob-lems of Woody Ornamentals. Bridgewater, Mass. To learn more, call 413-545-0895, e-mail eweeks@umext.umass.edu or visit www.umassgreeninfo.org.

4 Ohio Chapter ISA Northern Ohio Regional Meeting. Toledo Zoo, Toledo, Ohio. For more information, visit www.ohiochapterisa.org.