Winner Announcements

GS Design Challenge — Autumn 2025

Official Winners

Jury Award Community Choice Press kit

PackLoop

Circular Packaging Design

2nd

Jury 1,204

CoolBlocks

Urban Heat Island Mapper

1st

Jury + Community 1,846

AquaSense

Low-cost Water Quality Kit

3rd

Special Mention 972

Congratulations to all teams! Certificates and badges are available in your profiles.

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

Watch ceremony Press kit

Final Leaderboard

Top 10

#	Team	Challenge	Jury	Votes	Total
1	CoolBlocks	Urban Heat	9.4	1846	9.9
2	PackLoop	Circular Packaging	9.0	1204	9.2
3	AquaSense	Water Quality	8.7	972	8.9
4	GridWise	Campus PV	8.4	906	8.6
5	CyclePack	Circular Packaging	8.1	812	8.3

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?

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