What is a challenge?

A challenge is any call for innovation by a member of Project Greenlight.

What is an open call?

An open call is an ongoing request for innovative solutions. Open calls are not timebound, so innovators can submit proposals at any time for periodic review.

What is a targeted call?

A targeted call is a request for innovative solutions to a specific, timebound challenge. Targeted calls have clearly defined scopes and fixed timelines.


  1. How do I apply for an innovation call?

  2. How are proposals assessed?

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