Solutions and suppliers

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  • Find suppliers to help you be more sustainable
  • Read about the big issues to tackle
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  • Read about events that have implemented ISO 20121
Three Squares Inc.

Three Squares Inc.A leader in sustainable event production, TSI has reduced the environmental impact of many large-scale events attracting over 500,000 attendees.

We develop sustainable event policies that are compliant with the new standard ISO 20121: Event Sustainability Management Systems and the APEX/ASTM green event standard. TSI is also the only firm in North America authorized to assess ISO 20121 compliance using the powerful SEMS toolkit.
TSI has provided sustainability planning for many high profile events including Comedy Central's Jon Stewart Rally to Restore Sanity, Leonardo DiCaprio's "Inception" movie premiere, and the 2008 and 2012 Democratic National Conventions.

three squares