Through countless activities as author, speaker, advocate, and advisor, Carl is making a difference, whether addressing challenges in a local community, engaging with students, or contributing to international climate change policy.


  • DC Preservation League, Stewardship for Climate Action Program Series
    • Program 4 – Renewable Energy
    • Program 5 – Embodied and Avoided Emissions
    • Program 6 – Equitable and Resilient DC
    • Dates to be announced.


COP26: Report from the Frontlines
AIA Potomac Valley Chapter
December 16, 2021
Program 3 – Retrofit Scenarios
Stewardship as Climate Action Program Series DC Preservation League
December 8, 2021
COP26 Future Insights
SOM Fall Leadership Meeting
November 15, 2021
65% by 2030 / Zero by 2040
COP26 Built Environment Side Event
November 10, 2021
Climate Heritage, Resilience & the Built Environment
COP26 Race to Resilience, Climate Heritage Network
November 9, 2021
Interview: Building an Emissions Free Future: The 2030 Challenge
COP26 Action Hub, REN21
November 8, 2021
How to Activate Transformative Change
RIBA Built Environment Summit
October 29, 2021
Retrofit is Climate Action
RIBA Built Environment Summit
October 28, 2021
Program 2 – DC’s Climate Action Plan
Stewardship as Climate Action Program Series DC Preservation League
October 19, 2021
A2Zero – Stewardship for Climate Action
Ann Arbor 2030 Districts, AIA Huron Valley, Washtenaw Contractors Association
October 12, 2021
Architects Shape Lives
NBBJ Leadership Summit
October 7, 2021
Program 1 – Establishing a Baseline for Built Heritage
DC Preservation League Stewardship as Climate Action Program Series Recorded
September 29, 2021
Adaptive Re-Use – the Alternative to Demolition
AIA South Jersey Membership Meeting
September 22, 2021
Understanding Climate Change
National Trust for Historic Preservation Past Forward Conference Pre-Conference Workshop
September 21, 2021
Environmental Reset – Decarbonizing Heritage & Mainstream Impact
National Trust of Canada Conference 2021
September 20, 2021
Global Perspectives / Local Practices:
Sustainability and Historic Preservation Traditional Building Conference
June 9, 2021
Climate Action for Architects
Radio BE-Ex Podcast, Building Energy Exchange Podcast Series, Episode 14
May 20, 2021
Adapt & Refit – The Climate’s Best Friends
Chartered Institute of Building, Conservation Conference, Balancing Heritage and Sustainability
April 21, 2021
The Carbon-Smartest Building
The Architect’s Newspaper, Re-Use & Renewal Virtual Summit
February 24, 2021