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Great Big Green Week

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Great Big Green Week, the UK’s biggest celebration of community action for climate and nature.

From 6–14 June 2026, communities across the UK will come together for Great Big Green Week – the UK’s biggest celebration of community action for climate and nature.

What is Great Big Green Week?

This is more than simply a week of awesome events led by local people up and down the country. It’s an occasion that creates visibility for hundreds of community organisations and generates extra support for the great work they’re already doing.

It might be locally-led, but the scale is national. In 2025, around 1.2 million people took part during the week to show that they care about climate and nature. This year, the number is expected to be closer to 2 million.

Green festivals. Swaps and repairs. Nature walks. Gardening days. Charity shop takeovers. Farm tours. Panel discussions. Sustainable fashion shows. Green town markets. Just some of thousands of events.

What are the benefits?

Great Big Green Week works not only for the organisations involved but also in bringing people together who ordinarily are less involved. Last year, over one-third of participants attended their first-ever climate or nature event and connected with a hosting organisation for the first time. That’s how things multiply!

In the words of Helen Meech, Executive Director of The Climate Coalition that’s behind this incredible mass participation event:

“What stays with me about Great Big Green Week is how often people arrive for one reason, to fix a kettle, learn about their local birds, meet a neighbour, and leave with something bigger. A conversation that carries on. A habit that shifts. A community that feels a little more connected. That’s the ripple effect, and it’s where lasting change really begins.“

What makes this big green week great is the Changeprint it’s creating and, as Helen mentions, the ripple effect caused by people joining together for good. Imagine not only the reduction in carbon emissions and boost to nature from all the varied activities but the wider good that’s generated.

Stronger community ties from people gathering together and discovering common interests, resulting in millions of new connections.

Healthier environments for everyone, created by those who go on to restore and look after green spaces or to grow and share more food locally, that continues to improve the wellbeing of the whole community.

Changing perceptions about what’s normal as normal people show up and join in.

Positive political pressure to keep the climate and nature crisis top of mind and to represent the majority of the population who are concerned about the climate crisis and want more action not less.

Get involved

But we don’t have to imagine. This is your invitation to help make it happen. Together, we can show what’s possible when we act in our communities and create our own Changeprint.

Save the date: 6–14 June 2026

Find out more and how to get involved: www.greatbiggreenweek.com

What is Great Big Green Week?

Great Big Green Week is the UK’s biggest celebration of community action for climate and nature, taking place from 6 to 14 June 2026. Across the week, communities will host thousands of locally led events, from green festivals, nature walks and gardening days to repair sessions, charity shop takeovers, farm tours, panel discussions and sustainable fashion shows. It gives local organisations a national platform to show the practical action already happening in their communities and invite more people to get involved.

Why does Great Big Green Week matter?

Great Big Green Week matters because it brings climate and nature action into everyday community life. In 2025, around 1.2 million people took part, and in 2026 the number is expected to move closer to 2 million. It also helps reach people who may not usually attend climate or nature events, with more than one third of last year’s participants going to their first event of this kind and connecting with a hosting organisation for the first time.

How does Great Big Green Week connect to Changeprint?

Great Big Green Week connects to Carbon Copy’s Changeprint because it shows how local climate action creates wider positive change. The benefits go beyond reducing carbon emissions or supporting nature, important as those outcomes are. When people come together through local events, they build stronger community ties, create healthier places, shift ideas about what is normal and show decision makers that people want more action on climate and nature.

What are the wider benefits of taking part in Great Big Green Week?

Taking part in Great Big Green Week can create a ripple effect that continues long after the event itself. Someone may arrive to fix a kettle, learn about local birds, join a nature walk or meet a neighbour, then leave with a new habit, a stronger connection or a reason to stay involved. These small moments can multiply into healthier environments, more resilient communities and a greater sense of shared purpose.

How can I get involved in Great Big Green Week 2026?

You can get involved in Great Big Green Week 2026 by joining an event near you, supporting a local organisation or hosting something in your own community. Events can be large or small, from a local repair session or food growing day to a town market, talk, walk or festival. The week is an invitation to show what is possible when people act together and create their own Changeprint in the places they care about.

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