Want to see your event in the Tree Services calendar? E-mail the details to treepr@MooseRiverMedia.com.

April

16 Advancing Your Mission with Support from Your Urban & Community Forest Councils. Web cast. To learn more, call 301-277-0040 or visit www.actrees.org.

17 Climbing Seminar. Clearwater, Fla. For more information, call 727-299-9207 or visit www.northamericantrainingsolutions.com.

17 Up By Roots Regional Workshop. Santiago Canyon College, Orange, Calif. For details, visit www.isa-arbor.com.

18 2009 Spring Arborist Workshop. Orem, Utah. To learn more, call 801-446-8229, e-mail Lisa_UCFC@yahoo.com or visit www.utahurbanforest.org.

21; 22; 24 Mature Tree Care. Jacksonville, Fla.; Sarasota, Fla.; Naples, Fla. For details, call 941-342-0153 or visit www.floridaisa.org.

22 Aerial Rescue Seminar. West Sacramento, Calif. For more information, call 916-643-0999 or visit www.northamericantrainingsolutions.com.

22 Sudden Oak Death Treatment Training. UC Berkeley, Berkeley, Calif. For details, call 510-643-4282 or e-mail ellen.v.crocker@gmail.com.

22 Climbing Seminar. Lumberton, N.J. To learn more, call 609-405-0933 or visit www.northamericantrainingsolutions.com.

22-23 ArborMaster Level I Tree Climbing Methods & Best Practice. Taylor, Mich. For details, call 860-429-5028 or visit www.arbormaster.com.

23 Climbing & Rigging Seminar. Cranberry Township, N.J. To learn more, call 724-772-1133 or visit www.northamericantrainingsolutions.com.

23 Safetrees Workshop: Tree Risk Assessment Seminar. Albuquerque Marriott Pyramid North, Albuquerque, N.M. For details, visit www.isarmc.org.

23 Building With Trees: How to Retain Trees During Construction & Land Development. Lone Star Convention Center, Conroe, Texas. To learn more, e-mail jwarner@tfs.tamu.edu.

23 Understanding the Health of Your Urban Forest. Milliken Headquarters, LaGrange, Ga. For details, call 800-994-4832 or e-mail marylynne@gufc.org.

23-24 Tree Climbing, Fall Protection & Work Positioning. Atlanta, Ga. For more information, call 877-556-9040 or visit www.northamericantrainingsolutions.com.

24 & 25 Climbing Seminar (English & Spanish). Livermore, Calif. To learn more, call 925-454-3100 or visit www.northamericantrainingsolutions.com.

24-25 ArborMaster Level I Precision Felling & Chain Saw Handling. Taylor, Mich. For details, call 860-429-5028 or visit www.arbormaster.com.

24-26 Texas Forest Expo. Conroe, Texas. For more information, visit www.isatexas.com.

25 CTPA Tree Climbing Competition. Beardsley Park, Bridgeport, Conn. For details, visit www.ctpa.org.

25 Aerial Rescue & Climbing Seminar. Hopkinton, Mass. To learn more, call 508-400-7991 or visit www.northamericantrainingsolutions.com.

25-26 Trees & Energy Conservation; Common Tree Health, Diseases & Insect Problems. Lone Star Convention Center, Conroe, Texas. For details, e-mail scooke@tfs.tamu.edu.