January23-26 Indiana Arborist Association Annual Conference. Marriott East, Indianapolis, Ind. For details, visit www.indiana-arborist.org.

23-March 26 Arborist Certification Workshops. Round Lake Beach Cultural & Civic Center, Round Lake Beach, Ill. To learn more, visit www.illinoisarborist.org.

24-25 NJ Plants Trade Show & Conference. New Jersey Convention Center, Edison, N.J. For details, visit www.njplantshow.com.

29-31 Wisconsin Arborist Association Annual Conference & Trade Show. Hotel Sierra and KI Convention Center, Green Bay, Wis. For details, visit www.waa-isa.org.

February 1, 8, 15 ISA Certified Arborist Training. Wildcat Glades Conser-vation Area & Audubon Center, Joplin, Mo. For more information, call 417-629-3423 or email jon.skinner@mdc.mo.gov.

1-3 2012 Midwestern Chapter ISA Annual Conference & Trade Show. Overland Park, Kan. To learn more, visit www.mwisa.org.

1-3 New England Grows 2012. Boston Convention & Exhibition Center, Boston, Mass. For details, visit www.newenglandgrows.org.

2-3 Think Trees Conference. Hilton Albuquerque, Albuquerque, N.M. For more information, call 505-277-1066 or visit www.thinktreesnm.org.

3, 4, 9, 10 Arboriculture 101: Tree Care Short Course. College Station Conference Center, College Station, Texas. For details, visit www.isatexas.com.

8-April 18 Certified Arborists’ Preparation Course. Brea, Calif. To learn more, visit www.tedstamen.com.

12-16 Winter Management Conference 2012. Curacao. For details, call 800-733-2622 or visit www.tcia.org.

16 Rochester Arborist Workshop. International Event Center, Rochester, Minn. For more information, call 507-328-2515 or visit www.rneighbors.org.

16 Climate History & Geomorphic Heritage as a Land-Use Management Tool. Morris Arboretum, University of Pennsylvania, Philadelphia, Pa. To learn more, call 215-247-5777, ext. 125, or visit http://online.morrisarboretum.org/classes.

20 Tree Pruning. Rutgers University, New Brunswick, N.J. For details, call 732-932-9371 or visit www.cpe.rutgers.edu.

21 Tree Planting & Installation. Rutgers University, New Brunswick, N.J. For more information, call 732-932-9271 or visit www.cpe.rutgers.edu.

21-22 Gateway Green Industry Show. Collinsville, Ill. To learn more, visit www.illinoisarborist.org.

22 Plant Health Care. Rutgers University, New Brunswick, N.J. For details, call 732-932-9371 or visit www.cpe.rutgers.edu.

21-22 Arborcon: ASM Winter Conference. Lansing Center, Lansing, Mich. To learn more, visit www.asm-isa.org.

21-24 ASCA 2012 Consulting Academy. Philadelphia, Pa. For details, visit www.asca-consultants.org.

24 Municipal Shade Tree Management. Rutgers University, New Brunswick, N.J. To learn more, call 732-932-9371 or visit www.cpe.rutgers.edu.

26-28 2012 Ohio Tree Care Conference & Trade Show. Hyatt Regency Columbus, Columbus, Ohio. For more information, visit www.ohiochapterisa.org.