Collective Agitation is an interdisciplinary community of artists and chemists that research and share alternative photographic techniques that centre ecologically sustainable considerations and innovations. We use biodegradable and foraged materials (rosemary, vitamin c, soda ash, coffee, invasive weeds) that work as photographic developers. We use out research to teach processes to photographers who want to work environmentally consciously. Ecology, permanence, time, and nostalgia are themes that inform our practice.