Bill Gates has recently committed to giving away all his wealth – what can he learn from Thomas Carnegie a pioneer of this approach?

International evidence demonstrates how effective water conservation campaigns can be. Will anyone have the foresight to launch one in the UK or are we going to hope it rains heavily soon?

At a time when we need bold radical leadership, I despair at the paucity of the political debate and highlight some of the things I would like them to talk about.

‘Brain Rot’ is the Oxford Dictionaries word of the year, but what is the one that you have heard most in meetings and events?

I am sure like many people the recent global events have led me to question how best I personally can make a positive impact. Eighteen months ago I left leading Hubbub to set up Sizzle – was it the right decision?

A key message from the US election is that if people feel things aren’t improving, they are less likely to vote for you. A ground-breaking report suggests that tackling inequality is essential in addressing social and environmental challenges. Will anyone be brave enough?

Extreme weather, recent political events and hard-hitting reports can make it hard to remain optimistic. Perhaps one response is to celebrate the amazing range of local community initiatives driven by passionate people intent on improving their locality.

Can a different approach to policymaking remove some of the barriers that have prevented successive governments from introducing a ban on the use of peat in growing?

After years of experimentation is the Circular Economy about to hit the mainstream?

Delivering systemic change is complex and time-consuming.  Here are five things I have learned and how they have changed the way I think and work.

Our first attempt to creating systemic change has proved highly challenging. Here are five key findings from our initial independent evaluation.

Getting a rejection from a potential funder is a regular occurrence and can be demoralising. This is how I have learned to react.

Creating effective behaviour change campaigns is complex, here are five techniques that can help.

Having created four social enterprises, I am increasingly asked for guidance from existing and perspective social entrepreneurs. Here are five frequent questions and my thoughts based upon my experience and way of working.

I was one of the judges of the first Business Green awards way back in 2010. Fourteen years later, I am somehow still on the panel and looking forward to what will be a celebration of the very best sustainability initiatives at a packed and prestigious London venue. Looking back, I thought it would be interesting to consider what have been the significant changes in the award entries. Here are my views and alternative awards. 

I have long held the view that the complex language used to describe climate and environmental challenges has made it difficult for people to comprehend the impact it will have on daily lives. Similarly, those working on supporting a better quality of life for people can sometimes take insufficient account of the profound and long-term impact that developing environmental change will have on their work. This is why I am delighted to announce that I have been appointed as a trustee for Carnegie UK, an independent charitable foundation whose purpose is better wellbeing for people in the UK and Ireland.

Two years ago, I stepped away from being the Founder and CEO of Hubbub to create Sizzle. I felt the time was right to hand over to a new leadership team and decided on a clean break, as I didn’t wish to hang around like a bad smell in the room scrutinising the decisions of the new regime. I also wanted to return to my real passion which was the creation of new collaborative initiatives creating systemic change. So how has it gone?

The Enrich the Earth campaign, developed by Sizzle, has been running for around 15 months. For me, it has been a crash-course in learning about an entirely new sector. Through this insight, my view of gardening and growing has changed. My previous view was that it was a wholesome activity delivering some environmental and health benefits. But when I have dug deeper behind the headlines, I have realised that the picture is not quite as rosy…