Environmental challenges require more than technical solutions. Building sustainable communities depends on trust, collaboration and a shared sense of responsibility between public institutions, local organizations and citizens. When people feel empowered to contribute to environmental action, they become active partners in shaping a more resilient and sustainable future.

This masterclass explores how the Municipality of Cascais is fostering environmental stewardship through citizen engagement and community participation. Through a range of local initiatives focused on sustainability, biodiversity conservation, climate resilience and environmental education, Cascais has sought to create opportunities for residents to play an active role in protecting and improving their local environment.

Participants will discover how community engagement can strengthen trust in institutions while encouraging collective action on environmental challenges. The session will showcase practical examples of projects that bring together citizens, schools, civil society organizations and local government to address issues such as climate change, nature conservation, responsible resource management and sustainable urban development.

The masterclass will examine the tools and approaches that help transform environmental policies into community-led action. Attention will be given to the role of transparency, education and participation in building trust and fostering long-term commitment to sustainability goals. Participants will also explore how local governments can create meaningful opportunities for citizens to contribute their knowledge, experiences and ideas to environmental decision-making processes. Through interactive discussion and peer exchange, participants will reflect on the opportunities and challenges of engaging communities in environmental action. The session will encourage the sharing of experiences and good practices from different countries and contexts, highlighting the importance of partnership and collaboration in addressing today’s environmental challenges. By the end of the masterclass, participants will gain practical insights into how citizen engagement can strengthen environmental stewardship, foster trust between communities and institutions, and contribute to the creation of more sustainable, resilient and inclusive communities.