Environment & Climate Community & Social Justice Enhanced 2025
Marine Conservation Society (MCS)

Annual Impact Report & Accounts 2024-25

The Marine Conservation Society is a leading UK ocean charity, fighting for cleaner, better-protected and healthier seas through people-powered action and science-based advocacy. In 2024/25 the charity deployed 61,819 native oysters across restoration projects, engaged 17,613 young people through education programmes, supported 15,064 Beachwatch volunteers submitting a record 1,256 litter surveys, and secured landmark policy wins including an £11.5 billion commitment to cut sewage overflows and UK-wide legislation on wet wipes and deposit return schemes. Income was £5.34 million.

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📋About

Ocean policy campaigning; Beachwatch citizen science beach clean programme; native oyster, kelp, seagrass and mussel restoration projects; Youth Ocean Network and Ocean-Friendly Schools; community ocean literacy; UK Overseas Territories conservation; Sea Champions volunteer network

📊Key Metrics

61,819 native oysters deployed across UK restoration projects in 2024/25 Key Metric 1
15,064 people participated in the Beachwatch beach clean programme, submitting 1,256 litter surveys — the highest in the programme's 31-year history Key Metric 2
17,613 young people engaged through in-person or online youth programme sessions Key Metric 3

✅Key Outcomes

  • £11.5 billion Ofwat investment package secured for storm overflow cuts in England and Wales following sustained MCS advocacy
  • All UK governments committed to ban plastic-containing wet wipes by 2028; Deposit Return Scheme legislation passed for England and Northern Ireland
  • 80p of every £1 received spent on charitable activities; 3,949 new volunteers joined the Sea Champions community

📍Geography

UK-Wide

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191,000 cats and kittens helped — 525 a day (2023: 184,000); 29,000 cats rehomed; 168,000 cats neutered including 13,000 feral cats; 93,000 cats microchipped
Key Metric 1
£96.9 million total income (2023: £89.3 million); £108.5 million net assets; £50.1 million legacy income; 9,800 volunteers (2023: 9,200)
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430 cat owners helped to flee domestic abuse with 750 cats given temporary foster homes (Lifeline) — up from 229 in 2023; 5.9 million website visits; 1,290 welfare talks to 37,700 people in schools and community groups
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Mandatory microchipping for cats in England came into force June 2024 — direct result of years of Cats Protection campaigning; Pet Abduction Act came into force August 2024 making cat theft a specific criminal offence; Cat Manifesto sent to every election candidate with 111 newly elected MPs having responded
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32,000 people participated in learning activities; 65,000 volunteer hours contributed; 250,000 biodiversity-boosting plants and bulbs planted; 24,000 snowdrops planted by Royal Parks Half Marathon runners
Key Metric 1
94% of public rated their visit as good or excellent; 5 consecutive years all 8 parks awarded Green Flag; 160,000+ members making 300,000+ visits; membership generated £5.8m plus £814k Gift Aid
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1,000 free plants donated to local charities, community groups and schools; 200 old noticeboards and maps replaced; 12,500 enquiries handled by visitor support team; Greenwich Park flagship restoration project completed
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Queen Elizabeth II Memorial Garden at Regent's Park received planning permission and is progressing — opening Spring 2026; Diana, Princess of Wales Memorial Playground renewal received planning permission — opening Spring 2026; Greenwich Park flagship restoration project completed — new meadows, shrubs, community facilities
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Essex Wildlife Trust

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1 million+ visitors welcomed to Nature Discovery Centres in 2023
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40,000 children and families engaged through Wilder Learning education programmes
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50,000+ citizen science wildlife observations recorded in 2023
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93% of Nature Discovery Centre visitors rated their experience 5/5
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