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

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

27 Arboriculture Class. Napa, Calif. To learn more, visit

29 Palms Workshop. Honolulu, Hawaii. For details, visit

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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