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Eden Project: 25 Years of Wonder, Facing New Challenges
17 Mar
Summary
- Eden Project, a UK tourist attraction, celebrated its 25th anniversary.
- The attraction faced financial difficulties with a £3.5m loss in 2025.
- Geothermal technology now heats the biomes, replacing biomass boilers.

The Eden Project in Cornwall marks its 25th anniversary, reflecting on a quarter-century of reconnecting people with nature. Initially built on a former clay quarry, the non-profit charity has attracted over 25 million visitors since its inception.
Despite its successes, the year to March 2025 presented challenges, with a 10% decrease in visitor numbers and pre-tax losses amounting to £3.5 million. This financial downturn led to the unfortunate necessity of cutting 75 jobs.
Innovative features at Eden include its massive biomes, housing thousands of plant species, and a geothermal energy system that now heats the facilities. This system replaced the original biomass boiler and wind turbine attempts, drilling deep to harness the Earth's heat.
Staff, some of whom have been involved since the project's inception in 1999, express pride in its unique horticultural and conservation efforts. They highlight ongoing maintenance challenges, such as repairing the ETFE plastic pillows of the biomes, which are costly but essential for insulation.
Visitors can experience diverse activities, from exploring the rainforest biome's dense flora and fauna to admiring ancient olive trees estimated to be up to 1,500 years old. Educational programs also focus on conservation, aiming to inspire hope through positive environmental stories.




