Pope Leo Speaks About Climate Change. Is Anyone Listening? - CleanTechnica

On October 1, 2025, Pope Leo delivered a passionate address at Castel Gandolfo, marking the 10th anniversary of Pope Francis’s encyclical Laudato Si’, which called for the protection of the Earth. Drawing on Saint Francis of Assisi’s canticle praising “Sister, Mother Earth,” Pope Leo emphasized humanity’s responsibility to care for the environment, lamenting how humans have exploited nature and caused widespread ecological harm. He highlighted that the environmental challenges identified a decade ago remain urgent and even more relevant today, urging all sectors of society—including NGOs, advocacy groups, and citizens—to pressure governments into adopting and enforcing stronger environmental regulations. Pope Leo’s message implicitly countered recent climate change denial rhetoric from certain political leaders, underscoring the need for a collective change of heart. He criticized those who dismiss climate science or blame the poor for environmental degradation and called on Christians to align their faith with active care for creation. The Pope stressed that loving God requires respecting and protecting all