World
Four Emerging Environmental Threats Pose Growing Risks to Millions
The UN Environment Programme (UNEP) Frontiers Report 2025 highlights four escalating environmental threats: legacy pollution unleashed by floods; microbes awakening in melting glaciers; the impact of damming rivers; and climate risks for an aging population. The report emphasizes how climate change intensifies these dangers, particularly for vulnerable communities. UNEP Executive Director Inger Andersen stresses the urgent need for action to protect people, nature, and economies.
Melting glaciers release dormant microbes, posing potential health risks. Simultaneously, reduced river water levels in regions like the Colombian Amazon, exacerbated by dams and drought, cause widespread issues, including school closures and increased child vulnerability. The report also notes that the aging global population, projected to reach 16% over 65 by 2050, faces heightened risks from extreme weather and pollution. Finally, floods release legacy pollutants, as seen in past events like the 2010 Pakistan floods and Hurricane Harvey in 2017.
Impact Statement: The report underscores the interconnectedness of climate change and human vulnerability, demanding immediate and comprehensive action to mitigate these emerging environmental threats and protect vulnerable populations.