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Recognition Hong Kong

Third place at the ACTION 2025 roadshow in Hong Kong

HydroBeetle’s first result outside the lab. The competition asked students across Asia for ways to protect people’s health as the climate changes.

Seven people standing in a lecture room at ACTION 2025; two in the centre hold a certificate.
With the certificate, ACTION 2025.

On 20 October 2025, HydroBeetle placed third at the ACTION 2025 roadshow in Hong Kong, as one of five finalist teams.

What ACTION is

ACTION is short for Asian Climate-⁠SDG Technology Innovation HackathOn. Its first edition asked university students across Asia for new ways to protect people’s health as the climate changes.

It was organised by Tsinghua University, the University of Hong Kong and the National University of Singapore, with support from the World Meteorological Organization and the World Health Organization.

“A roadshow held in Hong Kong on October 20th marked a significant transition—from an academic competition to real-⁠world implementation.”

ACTION 2025 organising committee, closing report

The road to Hong Kong

The competition opened in May 2025. More than 40 proposals came in from 14 universities. Twelve teams reached the semi-⁠final in August, and each was given a mentor.

After an online defence on 22 September, five teams went through to the final round. HydroBeetle, entering from the University of Tokyo, was one of them.

What it meant for HydroBeetle

In October 2025, HydroBeetle was three months old and had two early prototypes. This was its first result outside the lab.

It also opened the next stage. Every finalist team was invited to present at COP30 in Brazil the month after.

Timeline

  1. May 2025The competition opens.
  2. August 2025Twelve teams reach the semi-⁠final.
  3. 22 September 2025Online defence. Five finalists.
  4. 20 October 2025Roadshow in Hong Kong. Third place.

Sources

  1. Tsinghua University: ACTION 2025, announcements and closing report (opens in a new tab)
  2. World Meteorological Organization: MeteoWorld, December 2025 (opens in a new tab)

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