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AnnouncementSeptember 30, 20261 min read
Hack for a Change September 2026: UN SDG 16: the challenge board is open
Start with a warm-up, compare notes with your team, and work your way up.
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## Welcome to Hack for a Change September 2026: UN SDG 16
The challenge board is open. Start with an approachable task, keep notes on what you try, and leave time to revisit the harder problems. Your final score depends on the challenges you solve; earlier finishing times break ties.
*This article accompanies synthetic contest activity added for demonstration.*
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