This book invites readers to explore an inclusive and decolonial approach to environmental conservation through the Design for Conservation (D4C) methodology. D4C integrates technical, relational, and cultural perspectives into environmental conservation, highlighting the power of interconnectedness, empathy, and inclusivity in tackling our planet’s most urgent ecological challenges. Purpose-built for collaboration, D4C offers a participatory, multi-species approach that brings together scientific knowledge, indigenous wisdom, and community insights to create sustainable solutions. This adaptive methodology empowers both grassroots communities and conservation professionals to design strategies that are deeply connected to the local context. Structured in five phases—Reconnect, Understand, Propose and Validate, Plan for Impact, and Deploy—each step provides practical tools, templates, and step-by-step guidance to help bring ideas into action. With a focus on adaptability and long-term ecological sustainability, D4C fosters hope and collective action, showing that together we can make a meaningful difference for our planet.