Penn State Extension will be offering Arborist Short Course Series webinars 9 a.m. to noon Jan. 19, 21, 26, 28, and Feb. 2, 4, 9, 11, 16 and 18, 2021.

The webinars are designed to increase a participants working tree knowledge and professional arborist skills.

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

Registration deadline is Jan. 15, 2021.

To register, go to cvent.com/events/arborist-short-course-series/event-summary.

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