Works illustrate the relationship between human society and animals, such as his photograph of a crow's nest constructed from wire hangers in Tokyo, which was exhibited among other environmentally themed works at the 2015 United Nations Climate Change Conference (COP21). Other works include a series documenting the rehabilitation of orangutans living in an area where civilization and the wild are at odds. He recently accompanied the adventurer Yasunaga Ogita and a group of young people on their 600 km Arctic expedition, documenting the trip on film. Photos from this trip were later published by media outlets including National Geographic and NHK. His work covers a broad range of topics, including natural landscapes, confrontations between humans and the environment, and environmental conservation.