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On 22 March 2025, WWF-Hong Kong rallied the whole city to join the Earth Hour, the largest environmental campaign in the world, under thetheme “Give an Hour for Earth”. Following the well-established tradition, individuals, groups and organisations switched off non-essential lights from 8:30 to 9:30 pm, uniting in a symbolic commitment to tackle the climate crisis and protect biodiversity. Earth Hour is much more than a symbolic act though; it’s a call to redefine our bond with nature and take action for a sustainable future.
The first Earth Hour was held in 2007 in Sydney, Australia. What started as a comparatively small one-hour “lights-off” event designed to raise awareness about climate change has blossomed into a worldwide force over the years, engaging millions of people across 190 countries. This annual event promotes sustainable lifestyles and helps spur individuals, businesses and even governments into becoming sustainable change-makers. It demonstrates the impressive power of collective action, where small efforts combine to create meaningful, lasting change.
This year, Earth Hour 2025 focused on reconnecting with nature, reducing environmental footprints and inspiring others to act. The theme, “Give an Hour for Earth”, encouraged people to embrace sustainable habits – through small individual actions and changes in daily routines, people and communities can make a lasting impact.
WWF-Hong Kong created buzz well in advance of Earth Hour 2025. In early March we hosted an Island House Open Day, inviting people to explore the Island House Conservation Studies Centre and joined eco-friendly workshops like natural tie-dyeing, botanical printing, making iceberg-inspired [MJ1] candles and enjoyed farm-to-table pizzas – blending creativity with environmental education and lifestyles.
On the afternoon of 22 March, The Ocean Terminal Deck at Harbour City transformed into a vibrant hub, the carnival featuring creative workshops, educational booths and live performances including the Children’s Gala Performance with kids’ TV host Isaac Ng; the “Give an Hour for Music” mini-concert by talented singers Mic Chow and Mark Chan; and local standup comedian Tim Chan’s “½ Earth Hour Stand-up Show”. These have inspired and educated people about conservation in a fun and interactive atmosphere.
WWF-Hong Kong welcomed back singer Kaho Hung as our Earth Hour ambassador for the third year, alongside newcomer ambassador, Ian Chan. Kaho believes that small steps toward sustainability can lead to big changes, while Ian inspires deeper connection with nature and takes action to protect it. Together, they amplify the message for their passion of environmental protection that will motivate others to make daily eco-conscious choices.
Ultimately, Earth Hour is about sending a powerful message: that we all share responsibility for our planet. Almost 4,000 companies, organisations and landmarks in Hong Kong participated in Earth Hour 2025, including the Hong Kong Cultural Centre and the Tsing Ma Bridge, by dimming their lights at 8:30pm.
Mr Arthur Lee, Commissioner for Climate Change, co-officiated the official Earth Hour Lights-off Ceremony alongside WWF-Hong Kong’s leadership team, joining hundreds of people on the Victoria Harbour waterfront. In his speech, WWF-Hong Kong’s Chairman Dan Bradshaw reinforced the importance of collective action, saying, “Earth Hour is a reminder of the impact we can achieve when we act together. By protecting nature, we safeguard our future.”
This year's ceremony united art and environmental consciousness through diverse performances. Flow artist LaiYee dazzled the crowd with crystal ball and LED light choreography, while sand artist Edith Wu illustrated stories of four endangered species, and A cappella group SENZA performed under the stars when the lights out.
While Earth Hour is an important moment of symbolic reflection, WWF-Hong Kong urges the work to protect nature through daily choices – from reducing waste and conserving energy to protecting Hong Kong’s biodiversity, every step we take toward sustainability counts. Let’s continue our embrace of greener lifestyles and ensure a better future for generations to come.
Thank you all who participated in Earth Hour 2025. Together, we are making a difference!
Eco-friendly workshops at Island House during the lead-up to Earth Hour 2025
The Earth Hour Carnival created a fun, interactive atmosphere for the public to learn about conservation
Young talents performing in the Children’s Gala Performance with kids’ TV host Isaac Ng
Guests of honour at the Lights-off Ceremony (left to right) ambassadors Ian Chan and Kaho Hung; Ms Nicole Wong, CEO of WWF-Hong Kong; Mr Dan Bradshaw, Chairman of WWF-Hong Kong; Mr Arthur Lee, Commissioner of Climate Change; Miss Allie Yim, Assistant District Officer of the Yau Tsim Mong District Office, Home Affairs Department
An a cappella performance by SENZA wrapped up the Lights-off Ceremony
Sand artist Edith Wu created four sand installations of rare species
Our Earth Hour 2025 ambassadors Kaho Hung and Ian Chan motivate people to make eco-conscious choices in their daily lives
The “lights-out” moment as seen from Victoria Harbour
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