Chicago, IL — The Green Building Initiative (GBI) will host its Journey to Net Zero™ Learning  Lab: Chicago on October 28, an experiential half-day workshop designed to equip building professionals with the knowledge and tools to drive carbon reduction across the built environment. 

Hosted in partnership with JLL, and the Illinois Green Alliance, the event will take place at JLL Chicago Real Estate, 200 E Randolph St., Chicago, IL 60601. Participants will gain hands-on experience using GBI’s Journey to Net Zero™ (JNZ) assessment and calculator while exploring strategies for reducing both operational and embodied carbon in buildings. 

The Learning Lab offers a structured framework for evaluating carbon performance, setting realistic decarbonization targets, and applying standardized methodologies that support credible and measurable progress toward net zero. Upon completion of the in-person training, attendees will become certified experts of GBI’s Journey to Net Zero™ program. 

Event Highlights 
• Date: October 28, 2025 
• Time: 9:00 AM – 12:45 PM CT 
• Location: JLL Chicago Real Estate, 200 E Randolph St., Chicago, IL 60601 
• Speakers: Kate Callahan and Anthony Guerra 
• Agenda: 
o 9:00 – 9:30 AM | Coffee & Networking 
o 9:30 – 12:45 PM | Interactive Sessions on Net Zero principles, baseline creation, and strategies for reducing operational and embodied carbon Chicago provides an ideal backdrop for this event—one of the nation’s leaders in climate action, with  municipal operations powered by 100% renewable energy and a goal of achieving an 80% reduction in citywide carbon emissions by 2050. 

“GBI’s Journey to Net Zero™ framework empowers project teams to transform their goals into measurable results,” said Kate Callahan, GBI’s Senior Director of Client Services & Engagement. “This workshop provides the tools and structure to make decarbonization a practical and achievable 
outcome at the project level.” 

Register Today 
Space is limited. Learn more and register at app.thegbi.org/education/events/119.