In celebration of National Historic Preservation Month, the Clean Air Partnership is delighted to shine a spotlight on the Missouri Historical Society this May. Serving the St. Louis region, the Missouri Historical Society provides spaces across its three locations—the Missouri History Museum, Soldiers Memorial Military Museum and Library and Research Center—where visitors can explore and learn more about Missouri and St. Louis history. As a St. Louis Green Business Challenge Leader, the organization has made significant sustainability efforts that positively impact the community and region.
“The Green Business Challenge provides an essential, annual prompt for Missouri Historical Society to conduct a holistic assessment of our organization’s sustainability efforts and identify ways to continue to move forward,” said Molly Corley, Sustainability Coordinator at the Missouri Historical Society. “Through learning, sharing and celebrating our achievements across this experience, we feel energized to continue our work.”
As part of its 2025 Green Business Challenge sustainability initiatives, the Missouri Historical Society planted more than 350 native plants in its courtyards and South Entrance. The organization also pruned courtyard trees to increase sunlight to garden beds, reduce deadwood and improve building clearance, supported by grants from Spire and the Missouri Department of Conservation. Additionally, they installed plant identification and interpretive signage and developed an activity to encourage greater use of the museum’s green spaces.
Another exciting milestone included recertifying the Missouri History Museum and the Library and Research Center to LEED v4.1 O+M Gold Level. The organization also achieved notable energy efficiency improvements by installing upgraded chillers at the Library and Research Center. These upgrades help reduce overall energy consumption and associated emissions, contributing to improved regional air quality and a healthier environment.
Internally, the Missouri Historical Society created engaging opportunities for staff and volunteers to participate in sustainability efforts. They hosted a two-day clothing swap to support textile recycling, swapping and local donations, allowing participants to reduce waste while also gaining new items. During the Challenge year, the organization also facilitated electronics recycling for upper galleries and staff departments.
Additional innovations included developing an internal protocol for reporting and tracking bird strike incidents on site, helping identify high-risk windows and inform prevention measures. The organization also encouraged recycling, reusing and donating items such as batteries, binders, filing cabinets, museum-grade frames, steel support poles and office furniture.
For more information about the Missouri Historical Society and how your organization can get involved in the St. Louis Green Business Challenge, subscribe to the Challenge’s bi-monthly E-newsletter or visit stlouisgreenchallenge.com. To learn more about the link between sustainability and air quality, explore the Clean Air Partnership’s website, like us on Facebook or follow us on X @gatewaycleanair.

