At Greener Henley, we believe real climate and nature action starts close to home — with clean air and water, a thriving natural world, a healthy, safe future for our children, and a town we’re proud to call home.
We’re a UK-registered charity helping our community take practical, positive steps to protect what matters most. Read more about our transition to charity status here
Nature is in free-fall and the climate is warming, but it’s not too late to turn things around. Our goal is a Henley that’s:
- SAFER (by building resilience to climate impacts)
- CLEANER (by cutting pollution), and
- GREENER (by restoring wildlife and helping nature recover).
Our 2025–28 Plan sets out how we’ll engage 5,000 people — around 25% of our population — to help drive lasting, visible change.

Our Trustees
Mike Barry

Mike is a sustainable business transformation agent, committed to helping business big and small, new and established to prepare for and succeed in the great sustainability disruption that is washing through the economy . He focuses on the practicality and reality of ‘getting sustainability done’ across companies, value chains and sectors. He’s the co-founder of Planeatry Alliance that’s helping companies transform the food system by linking their work on human health and sustainability.
Mike was until 2019 Director of Sustainable Business at Marks & Spencer, spearheading its ground-breaking Plan A (because there is no Plan B for the one planet we have) sustainability program. He co-chaired the Consumer Goods Forum’s sustainability work bringing the world’s largest retailers and fast moving consumer goods brands together to work on issues such as deforestation, plastics and forced labour. He is a Senior Associate at the Cambridge Institute for Sustainability Leadership and a Trustee at Blueprint for Better Business. And Chair of local charity Greener Henley.
Harriet Barcella

Harriet is a life and mindset coach with a passion for building community and creating meaningful connections. She runs the Henley Female Network, fostering spaces where people can support, inspire, and empower one another. As a trustee of Greener Henley and Friends of Badgemore School, Harriet cares deeply about the environment and education, believing strongly in the power of collective action to create positive change for people and the planet
Kate Miller

She is currently
Giles Trendle

Giles Trendle is an international media advisor and the co-chair of Covering Climate Now, a global alliance of news outlets working together to enhance climate coverage.
A former Managing Director of Al Jazeera English, Giles has extensive experience as a media leader, documentary filmmaker, and frontline reporter in the Middle East.
He began his journalism career in the late 1980s as a freelance reporter in Lebanon, covering the country’s civil war and hostage crisis. Over the years, he has undertaken assignments in Egypt, Iraq, Israel, the Palestinian territories, Jordan, Saudi Arabia, and Afghanistan
Richard Winder
