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Winner Announcements


GS Design Challenge — Autumn 2025

Official Winners

Jury Award Community Choice Press kit
silver
team
PackLoop
Circular Packaging Design
2nd
Jury 1,204
gold
team
CoolBlocks
Urban Heat Island Mapper
1st
Jury + Community 1,846
bronze
team
AquaSense
Low-cost Water Quality Kit
3rd
Special Mention 972

Category Awards

Breakdown
Best ImpactImpact
Quantified social/environmental benefit
CoolBlocks
Urban Heat
Best TechnicalEngineering
Rigour, performance, data quality
AquaSense
Water Quality Kit
Best DesignUX
Clarity, usability, storytelling
PackLoop
Circular Packaging
Community ChoiceVotes
Highest verified community votes
CoolBlocks
Urban Heat

Judges' Notes
  • Impact: CoolBlocks quantified up to 2.3°C local reduction combining shading + albedo surfaces.
  • Feasibility: PackLoop provided clear supplier specs and LCA evidence for a 28% footprint cut.
  • Innovation: AquaSense calibrated a low-cost sensor kit with repeatable accuracy within ±5% for pH.
Event Timeline
Open call
Aug 28, 2025
Voting
Sep 15 — Oct 10, 2025
Submissions close
Oct 20, 2025
Jury review
Oct 21 — Oct 25, 2025
Winners announced
Oct 27, 2025
Next round
Winter 2025 kickoff in

Highlights Gallery

Download all
Prizes & Resources
  • 1st place: €3,000 grant + incubation
  • 2nd place: €1,500 grant
  • 3rd place: €800 grant
  • All winners: mentorship & showcase

Final Leaderboard

Top 10
#TeamChallengeJuryVotesTotal
1CoolBlocksUrban Heat9.418469.9
2PackLoopCircular Packaging9.012049.2
3AquaSenseWater Quality8.79728.9
4GridWiseCampus PV8.49068.6
5CyclePackCircular Packaging8.18128.3
Total = weighted jury score + normalized community votes.
Judging Panel
Dr. Elena Rossi
Climate Analytics
Miguel Ortega
Circular Design
Prof. Hana Kim
Energy Systems
Think your team can top the board?

Propose a challenge or join a working group. The next round opens soon.