Henry works on forest conservation, in which his research incorporates climate models and genomic data into forest landscapes. Besides his scholarly work, he is passionate in science communication and knowledge transfer. He teaches tutorials and supervises research projects for undergraduates at Oxford and leisurely writes popular science articles. He works closely with the Oxford University Museum of Natural History and the Jockey Club Museum of Climate Change for public engagement. He currently also serves in the Meetings Committee of the British Ecological Society.