The book offers biblical studies for the Advent season on eco-theology and its relevance in raising awareness of the role of people of faith in the struggle against the exploitation of creation in the context of climate change. This material seeks to deepen the understanding of the urgency to act and reverse situations of inequality and environmental degradation. It also highlights the importance of assuming an active and prophetic commitment to protect and preserve our environment, promoting a more sustainable and just approach to creation as a place where God dwells.