Material Selection for Low Carbon Design - 1.0 PDH (LA CES/HSW) / 1.0 GBCI SITES-Specific CE

Material Selection for Low Carbon Design - 1.0 PDH (LA CES/HSW) / 1.0 GBCI SITES-Specific CE

Recorded On: 04/18/2024

  • Register
    • Non-member - $50
    • Member - Free!
    • Student Member - Free!
    • Associate Member - Free!

Explore how to decarbonize construction through material selection and detail composition. Our session will explore how to reduce the embodied carbon of landscape structures, including pavements, walls, stairs, decks, soils, planting, railings, and other site structures. We will also share resources for measuring and evaluating the carbon footprint of details and materials, including the SITES v2 rating system. 

 Learning Objectives:

  • Explore the results of the CarbonConscience literature review of landscape material carbon factors, including which materials have the lowest footprint for masonry, wood, and metal fabrications.
  • Understand key decarbonization strategies for material and product selection, in support of SITES v2 Site Design – Materials credits.
  • Understand how state department of transportation specifications impact emissions from concrete pavements.  
  • Examine key considerations for specifying low carbon concrete, including how supplementary cementitious materials (SCMs) can reduce the carbon footprint of concrete. 

The GBCI course ID for this course is 0920029758, providing SITES-specific CE hours required to maintain SITES AP credentials. Participants will need to pass the exam at the end of the presentation in order to receive a certificate of completion. Participants will need to self-report CE hours through their credentials account on

image above: Low Carbon Materials at the Ellinikon Park, Sasaki

Christopher R. Hardy, ASLA, PLA, Certified Arborist

Senior Associate


Chris Hardy is a Senior Associate Landscape Architect and Arborist at Sasaki, based in Boston Massachusetts.  Chris has been the principal investigator for Sasaki’s landscape Carbon Conscience research team from 2019 to the present. This project includes building both landscape and architectural datasets and translating them into a free and accessible design application, providing carbon metrics for planning and urban design analysis. Before Sasaki, Chris worked at SWA San Francisco and earlier at MNLA in New York City. Outside of practice, Chris participates in the design community through advocacy, teaching, service, and writing. 

Meg Calkins, FASLA, SITES AP

Professor of Landscape Architecture and Environmental Planning

North Carolina State University

Meg Calkins, FASLA, SITES AP, is a Professor of Landscape Architecture and Environmental Planning at North Carolina State University. Meg’s scholarship focuses on the environmental and human health impacts of site construction details and materials. She is the author of the book "Materials for Sustainable Sites" and editor of the "Sustainable Sites Handbook". She is currently writing a book with the working title of "Details and Material for Resilient Sites: A Carbon Positive Approach" (Routledge 2025). Meg has taken an active leadership role in development and implementation of the Sustainable Sites Initiative (SITES) since 2003.

Satyam Maharaj


Carbon Free Buildings, RMI

Satyam is an associate on the Embodied Carbon Initiative within the Carbon Free Buildings team. His primary focus is on reducing the carbon impact of building materials by advocating for the broad adoption of low-embodied-carbon and carbon-sequestering building materials.

Satyam previously worked as a structural engineer and construction manager in his home country of Trinidad and Tobago. He planned, designed, and managed the construction of facilities in the education, healthcare, and housing sectors, to name a few. He focused on ensuring projects were on a sustainable pathway by reducing embodied carbon content, introducing green concrete solutions, and advocating for renewable energy and efficient wastewater management systems. He led cross-functional teams and fostered engaging communication efforts between stakeholders and contractors to ensure projects were finalized within expected timeframes and budgets, and to end-user satisfaction.


Recorded 04/18/2024  |  60 minutes
Recorded 04/18/2024  |  60 minutes
10 Questions  |  Unlimited attempts  |  8/10 points to pass
10 Questions  |  Unlimited attempts  |  8/10 points to pass Successful completion of this quiz is required to earn PDH for this webinar.
Certificate - LA CES PDH
1.00 PDH credit  |  Certificate available
1.00 PDH credit  |  Certificate available
Certificate - GBCI SITES-Specific CE
1.00 GBCI SITES-Specific CE credit  |  Certificate available
1.00 GBCI SITES-Specific CE credit  |  Certificate available
8 Questions