The article explores the values of sustainable development within the context of the Catholic Church’s teaching, tracing their historical roots to the mission of Saints Cyril and Methodius. The authors highlight the connection between the cultural, social, and moral legacy of the Thessalonian brothers and the contemporary Sustainable Development Goals defined by the United Nations. Core themes such as justice, equality, access to education, cultural diversity, and moral responsibility are examined through the lens of Church social encyclicals – from Leo XIII to Pope Francis. Special attention is given to Laudato Si’, which presents the ecological crisis as a moral challenge and calls for dialogue between faith and science. The article concludes that Christian tradition, when authentically lived, can offer relevant tools for addressing today’s environmental and social challenges by fostering responsibility, respect, and an integral ecological perspective.
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