Who will fill the climate-data void left by the Trump administration?
In a significant shift in environmental policy, the United States has announced its withdrawal from various international monitoring projects aimed at addressing climate change and biodiversity loss. This decision has sent shockwaves through the global scientific community, prompting urgent discussions about how to fill the void left by the US, which has historically been a leader in environmental monitoring and research initiatives. The withdrawal not only raises concerns about the continuity of ongoing projects but also highlights the increasing fragmentation of international cooperation on critical environmental issues.
The implications of this withdrawal are profound. For instance, the US had played a pivotal role in monitoring greenhouse gas emissions and biodiversity through collaborative platforms such as the Global Climate Observing System (GCOS) and the Convention on Biological Diversity (CBD). With its exit, countries and organizations are now scrambling to find alternative leadership and funding sources to sustain these vital initiatives. Many experts fear that this could lead to a decline in the quality and quantity of environmental data, which is crucial for informing policy decisions and scientific research. Moreover, the lack of US involvement may hinder global efforts to meet international climate targets, such as those outlined in the Paris Agreement, as coordination and data-sharing become increasingly challenging.
In response to the US withdrawal, several countries and organizations are stepping up to fill the leadership gap. For example, the European Union has indicated its commitment to enhancing its monitoring capabilities and fostering international collaboration on climate and biodiversity issues. Additionally, emerging economies are beginning to take a more active role in environmental monitoring, seeking to establish their own networks and partnerships. However, experts caution that without a unified global effort, the challenges posed by climate change and biodiversity loss will become even more daunting. The situation underscores the urgent need for innovative solutions and collaborative frameworks that can adapt to shifting political landscapes, ensuring that the world remains committed to protecting its natural resources and addressing the climate crisis effectively.
Nature, Published online: 14 November 2025;
doi:10.1038/d41586-025-03532-4
US withdrawal from monitoring projects has sent the world scrambling for alternatives.