Anne-Marie Grey is the CEO and executive director of USA for UNHCR, and brings a wealth of knowledge to the agency, with the aim to better the lives of millions of refugees.

Tea Tüür joins us from the World Resources Institute (WRI) to discuss the massive impact that data is having in shaping sustainability and monitoring the earth's resources on a global scale.

Tom Lay joins us from Cancer Research UK to discuss the impactful work that he has been involved with; from innovative fundraising to building large-scale campaigns.

George Saggers is the product development lead at Good Nature Agro, an organisation that helps small-scale African farmers grow and sell crops profitably.

Nudj is an app to help you take simple challenges to reduce your carbon footprint. Gabby and Rich talk to Nudj's founders, Dee and Meg about their journey.

We talk to Anne-Charlotte Mornington, the head of impact at Olio, a community sharing app aimed at reducing waste. Anne-Charlotte shares her thoughts on the power of impact and the change that technology can bring. Olio is available to download on iOS and Android.

Host Rich Strachan gives an introduction into what can be expected from Igniting Change Season 2, and some of the guests joining us.

In the last episode of this season, hosts Richard Strachan and Charlotte Mill reflect on some of the main takeaways from guests.