Penn State Extension will be offering arborist short course series webinars 9 a.m. to noon Jan. 19, 21, 26, 28, Feb. 2, 4, 9, 11, 16 and 18, 2021.

This webinar is designed to increase a participant’s working tree knowledge and professional arborist skills.

Successful completion of the 10-day Arborist Short Course Series will prepare participants for the ISA Certified Arborist exam, as well as improve their marketability.

Registration deadline is Jan. 15, 2021.

For more information, call 610-391-9840 or 1-877-345-0691.