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We support organizations and individuals through inclusive programs, education and tools that foster a brighter future. Together, we can embrace sustainability and create a healthier planet for generations to come.



The Business to Business Case for Sustainability Series was established in 2012 to better equip organizations during their sustainability transitions. These meetings convene panel discussions with experts in areas such as commercial solar, local government initiatives, ESG reporting, and more.

With an average attendance of over 40 businesses per event, B2B meetings provide valuable opportunities to network with other change-making organizations and meet vendors who support green business. 

First Tursday


This virtual education series aims to connect individuals like you with valuable resources and information to support your sustainability goals. Each month, we feature a guest speaker who presents on a relevant topic.

Whether you're new to sustainability or an expert seeking deeper insights into areas such as environmental justice, climate change, and food waste, this event offers a great entry point and opportunities for in-depth exploration. Join our next virtual meeting by registering now.


Free events — Open to the public — In-person and online — 12 to 1 PM

Green Drinks


We can all be a resource to someone. This social event is our way of fostering connections within the sustainability community. Join us to mix and mingle with like-minded individuals and our team, and share what you are working on or looking forward to in the sustainability space.

These events, held as happy hours at local breweries, provide an opportunity to grab a drink and engage socially. Stay tuned for updates on our next meetup, or register for the upcoming event below.




The TerraScore Challenges are designed to engage and motivate individuals and communities to adopt sustainable practices. We focus on a different theme, such as reducing plastic waste, conserving energy or supporting pollinator habitats.


By participating in these challenges, you can track your progress, compete with others and make a tangible impact on the environment. Download the TerraScore app to get started, receive notifications about upcoming challenges and join a community dedicated to making a difference.


Upcoming Events

Upcoming Events

  • Jul 04, 2024, 12:00 AM – Jul 31, 2024, 12:00 AM
    TerraScore Challenge
    Our current TerraScore Challenge supports the global Plastic Free July movement. Take the pledge to reduce plastic waste, track your success through the TerraScore app, and compete to win a zero-waste starter kit.
  • Jul 25, 2024, 5:00 PM – 7:00 PM
    Tulsa, 2727 S Rockford Rd, Tulsa, OK 74114, USA
    Join us for an evening of recognition and celebration at the beautiful Philbrook Museum of Art. Stay tuned for more details!
  • Aug 01, 2024, 12:00 PM – 2:00 PM
    Tulsa, 910 S Boston Ave, Tulsa, OK 74119, USA
    We have teamed up with the City of Tulsa to convene a task force focused on sustainable developments and conservation action related to the new Zink Lake. Join this special two-part event to hear from committed stakeholders about the opportunities ahead to make this asset healthy and resilient.
  • Sep 19, 2024, 5:30 PM – 8:30 PM
    Tulsa, 10900 S Louisville Ave, Tulsa, OK 74137, USA
    RECHARGE is The Sustainability Alliance's primary source of support for our programming and impact throughout the year. It is a highly anticipated event that unites individuals, businesses, and communities committed to sustainability.
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