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Our promise to you
We all need trees, but trees need help now more than ever before. That’s where we come in.
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Blog
What is a mast year? How and why it happens
Discover what a mast year is, what it means for trees and wildlife and what the data tells us about autumn 2025.
Alex Marshall • 07 Oct 2025
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About us
The SCATTER project
The SCATTER project used cutting edge LiDAR scanning technology to create 3D models of ancient and veteran oak trees across the UK, so we can better understand and manage these living legends for the future.
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Support us
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Your support is crucial if we’re to protect precious woods and trees – for the wildlife that can’t survive without them, for all of us who depend on them, and for the future.
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Trees woods and wildlife
Beard lichens
Dripping off the trees in clean-air woodlands, these beautiful bushy beard lichens adorn branches and trunks.
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Press centre
Could Glasgow’s ‘defiant giant’ be crowned European Tree of the Year?
The Argyle Street Ash, which topped the Woodland Trust’s UK Tree of the Year competition, is now in the running for the European title – and it needs your vote.
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Trees woods and wildlife
Emerald ash borer
The emerald ash borer has killed billions of ash trees in the US. If it gets here, it will do the same to our already vulnerable ash populations.
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Case study
Tree shelter boosts lamb survival rate in sheep farming
Planting trees as shelter for livestock on upland farms can protect animals from harsh weather, improving welfare and reducing lamb mortality.
PDF (378 KB)
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Protecting trees and woods
Take action in your community
You can get involved in lots of ways, indoors and out. Check out our ideas and advice for plenty of ways to make a difference for woods and trees, now and for the future.
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Trees woods and wildlife
Tree pipit
Small, unassuming, brown. This woodland edge insect-muncher is often overlooked. But what it lacks in looks it makes for with its belting song.