Cardinal Pietro Parolin, Vatican secretary of state, reads a message from Pope Leo XIV to the Leaders Summit Nov. 7, 2025, during COP30, the U.N. Climate Change Conference, in Belem, Brazil. (CNS/COP30/Rafa Pereira)
COP30, the United Nations climate summit, takes place Nov. 10-21 in Belem, Brazil, at the gateway to the Amazon rainforest. Nearly 200 countries, as well as Catholic and other faith-based organizations, are expected to take part in the latest round of negotiations seeking global action and solutions to human-caused climate change.
Over 5,000 indigenous people attended the UN's climate summit in the Amazon to call for land rights over their ancestral territories, but it's unclear to what degree negotiations took them into account.
Nearly 200 countries at the U.N. climate talks did little to counteract papal criticism that "failing" political will is undermining global efforts against global warming, say Catholic officials who attended the COP30 summit.
A cultural change is badly needed to shake climate negotiations from its too-prevalent low ambition, say people of faith involved in the Global Ethical Stocktake.
"COP30 is a signal of hope, but we cannot fool ourselves. The Amazon, like Pope Francis said in Puerto Maldonado [in 2018], is facing its most serious threat," Archbishop Roque Paloschi of Porto Velho said.
For the one-in-three people extremely vulnerable to impacts from rising global temperatures, "climate change is not a distant threat, and to ignore these people is to deny our shared humanity," Pope Leo said in his second message to the COP30 United Nations climate change conference in Brazil.
A climate march drew people from all over the world into the streets of Belém, Brazil, at the midpoint of the COP30 U.N. climate change conference. It was the first massive public demonstration at a COP in four years.
As world leaders gather in Belém, Brazil, for the COP30 climate summit, faith leaders call out the "tragic, sinful gap between the call to care for creation and the failure of governments to act."
While Brazil hosts the United Nations climate change conference, known as COP30, in Belém, Nov. 10-21, church leaders intend to bring a powerful faith presence there.
With COP30 underway in Brazil, faith leaders say the time for polite appeals is over. From Turkana's dry fields to the Amazon's burning forests, the church is turning to action and demanding world leaders keep their promises.
The U.N. meeting in the Amazon runs Nov. 10-21. It comes a decade after the Paris Agreement, a historic deal where for the first time nearly 200 countries committed to reducing heat-trapping greenhouse gas emissions.
As leaders prepare to meet in Belém, Brazil, women living the climate emergency in Kenya and across Africa are demanding global action, gender justice and investment in local adaptation.
Ahead of the United Nations' annual climate conference, two U.S. Catholic bishops and the leader of a top Catholic aid agency are calling for urgent, long-term action to safeguard both creation and humanity.
As Lake Victoria's rising waters displace families, Catholic leaders and villagers plant bamboo to restore their land and send a message to world leaders meeting in Brazil.
The Belém, Brazil summit, scheduled for November, is expected to be one of the most consequential climate gatherings since COP21, which culminated in the 2015 Paris Agreement.
With the 30th U.N. Climate Change Conference, or COP30, set for November in Belém, Brazil, Catholic leaders are raising their voices ahead of the global climate summit.