August 24 Britton Fund Annual Educational Meeting. Palo Alto, Calif. For more information, visit www.wcisa.net.

24-25 EHAP and First Aid & CPR Training in Spanish. Houston, Texas. For details, call 682-551-9771.

24-September 21 Certified Arborist Training. Chandler, Ariz. For more information, visit www.wcisa.net.

27 Arboriculture Class. Napa, Calif. To learn more, visit www.wcisa.net.

29 Palms Workshop. Honolulu, Hawaii. For details, visit www.wcisa.net.

September 5-6 Issues in Tree & Forest Health Care: Diagnosis & Treatment. Flinchum’s Phoenix, Athens, Ga. For more information, visit www.isasouthern.org.

6-8 Lake States Logging Congress & Equipment Expo. EAA Grounds, Oshkosh, Wis. To learn more, visit www.timberpa.com.

7 Sixth Annual Iowa Tree Climbing Day Workshop & Competition. Jester Park, Granger, Iowa. For more information, visit www.iowaarboristassociation.org.

12-13 Certified TreeCare Safety Professional. Hayward, Calif. For details, visit www.wcisa.net.

13-14 Tree Risk Assessment Course & Exam. Redmond Inn, Redmond, Wash. To learn more, visit www.pnwisa.org.

13-15 Arboriculture Society of Michigan SummerCon & Michigan Tree Climbing Championship. Potter Park/Potter Park Zoo, Lansing, Mich. For more information, visit www.asm-isa.org.

14 Creating a Safe Work Environment in Your Tree Care Operation. Anaheim, Calif. To learn more, visit www.wcisa.net.

18 Third Annual College Canopy Conference: Compaction, Construction & Community: Challenges Unique to Campus Trees. Lawrenceville, Ga. For more information, call 800-994-4832 or visit www.isasouthern.org.

19-20 Certified TreeCare Safety Professional Workshop. La Quinta Hotel, Hayward, Calif. For details, call 800-733-2622 or email peter@tcia.org.

20-21 ONLA Annual Convention & Trade Show. Hard Rock Casino, Tulsa, Okla. To learn more, visit www.oknla.org.

21 What’s Killing Our Trees? Farmerville, La. For more information, visit www.isasouthern.org.

21 2012 ACTC Annual Conference. Wildhorse Pass Hotel & Casino, Chandler, Ariz. For details, visit www.aztrees.org.

22 2012 Indiana Tree Climbing Championship. Squirrel Park, Purdue University Campus, West Lafayette, Ind. To learn more, visit www.treestuff.com.

22 2012 PNW-ISA Chapter Tree Climbing Championship. Washington Park Arboretum, Seattle, Wash. For details, visit www.pnwisa.org.

24 2012 Annual Training Conference. Lloyd Center, Portland, Ore. To learn more, visit www.pnwisa.org.

24-25 Tree Risk Assessment: The Biomechanics of Stability, Strength & Structure. Morton Arboretum, Lisle, Ill. For details, visit www.mortonarb.org.