Dusty is a founder of Gentian Ltd and the ex-President of the European Federation of Green Roof Associations (EFB) now International Ambassador. He has a particular interest in biodiversity and urban nature, but also has a focus on climate resilience and the promotion of greener cities through multifunctional green infrastructure. A recognised designer, technical and policy advisor on green roofs he has worked across the world and has designed and is aware of innovative approaches of combining solar and green roofs.  A published author, he has been instrumental in writing strategic reports on green roofs and green infrastructure, the most recent of which is the new London green roof report. He also produces a lot of videos on urban green infrastructure and biodiversity on this YouTube channel.