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Presenter: Chris Cowles, MD RPF, ISA CA, TRAQ

Seminar Date:

Seminar Location: Online

This seminar is closed or full.


Wednesday, September 18, 2019, 11:00 AM - 1:00 PM CDT

   Promoting trees as elements of design and not mere afterthoughts

      • The Structural Root Zone (SRZ)

      • The Critical Root Zone (CRZ)

      • Purposes of CRZs in tree preservation

      • Mistakes with CRZs

      • Project profiles in designing with trees

      • Overview of planning, design, and construction documents for tree preservation

   Construction strategy: finding a balance between the tree environment and construction goals

      • Asking the key question

      • Construction strategy project profiles

Webinar Instructions

Each webinar session earns continuing education credit and can be registered for individually. All attendees must log-on through their own email – attendees may not watch together if they wish to earn continuing education credit. HalfMoon Education Inc. must be able to prove attendance if either the attendee or HalfMoon Education Inc. is audited.

Certificates of completion will be provided for each webinar attended and will be sent via email in PDF form about five business days after the conclusion of the series.

Webinars are presented via GoToWebinar, an easy-to-use application that can be run on most systems and tablets. Instructions and login information will be provided in an email sent close to the date of the webinar. It is highly recommended that you download, install and test the application before the webinar begins by clicking on the link in the email.

GoToWebinar App requirements: 
Windows 7 - 10 or Mac OSX 10.9 (Mavericks) - 10.14 (Mojave)

Web Browser:
The two most recent version of the following browsers:
Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Internet Explorer v11 (or later) with Flash enabled

Internet connection:
 Minimum of 1Mbps       Hardware: 2GB RAM or more

For more information visit the Support section at www.gotowebinar.com.

Credit Information:

Who Should Attend

  • Architects
  • Engineers
  • Landscape Architects

     2.0 PDHs

     2.0 HSW CE Hours

     2.0 LU|HSW

     2.0 HSW PDHs

Landscape Architects:
     2.0 HSW CE Hours

     Certified Arborist: 2.0 Hours
     Management: 2.0 Hours
     Utility Specialist: 2.0 Hours
     Municipal Specialist: 2.0 Hours

Continuing Education Credit Information

These live, interactive webinars are designed to qualify for continuing education credit for professional engineers and architects in all states. Please see each webinar listing for the number of available continuing education credits. Course participants need to be aware of any licensing restrictions on online learning to fulfill their continuing education requirements.

HalfMoon Education Inc. is registered as a continuing education provider with the American Institute of Architects (No. J885). HalfMoon Education is an approved continuing education sponsor for engineers in Florida, Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700), North Carolina, and North Dakota. HalfMoon Education is deemed an approved continuing education sponsor for New York architects.

Halfmoon Education is an approved continuing education provider with the Landscape Architecture Continuing Education System. See the Tree Preservation, Wetlands Law and Compliance, and the Pedestrian and Bicycle Transport Planning webinars for available HSW PDHs.

The International Society of Arboriculture (ISA) has approved a total of 8 hours for certified arborists for the Tree Preservation webinars series. Please see course listing online for other approved ISA hours.

HalfMoon Education is an International Code Council Preferred Provider (No. 1232). See the International Building Code and the International Energy Conservation Code webinars for available CEUs.

Providers of continuing education for New York professional engineers are considered approved, if the provider is approved by the American Institute of Architects Continuing Education System and/or the Landscape Architecture Continuing Education System, which includes HalfMoon Education. Courses are considered approved if they contribute to the professional practice of professional engineering in approved subject areas.

The Association of State Floodplain Managers has approved the Wetlands Law and Compliance webinars. See listings for available CEUs.

Continuing education courses showing as pending will be updated on www.halfmoonseminars.org under each webinar listing, as they become available. Please email doug@halfmoonseminars.org to be notified of approved credits. State which particular webinar(s) you’re interested in.

Participation and knowledge retention will be verified for these webinar events. Certificates of completion will be provided upon successful completion of the quiz at the end of each webinar, and earned LUs will be reported to the AIA/CES.


Chris Cowles, MD RPF, ISA CA, TRAQ

Wetland Studies and Solutions, Inc.
As a senior urban forester, Mr. Cowles is responsible for the preparation of tree preservation, transplanting, and restoration plans for design, construction, and renovation projects. For more than three decades, Mr. Cowles has successfully competed hundreds of challenging projects for a variety of clients nationwide, including federal agencies, state and local governments, community organizations and private sector interests. His work includes residential, commercial, institutional, and military projects as well as parks and historic sites. His approach to tree preservation employs innovative technical solutions with people involvement that are unique to each project.

Mr. Cowles routinely presents on topics such as tree preservation and urban forestry. Some of these include Maryland National Capital Park & Planning Commission’s (MNCPPC) Trees Matter Symposium, ASLA National Conference Field Workshops; numerous local agencies and design firm’s lunch and learns, and the international conference on The Landscape Below Ground Third Edition. His projects have won many awards, including one from the Maryland Chapter of the American Society of Landscape Architects (ASLA), an ASLA Potomac Chapter Honor Award, the Fairfax County (Virginia) Annual Tree Preservation Award, and a National Arbor Day/National Homebuilders Award.

Tuition Costs:

Standard Tuition: $100.00
Online Tuition (pre-registration): $100.00

Each registration includes one copy of a manual prepared by the seminar speakers.