Correct Answer:
C. Putting an End to Plastic Pollution
The official theme for World Environment Day changes annually to focus global attention on specific environmental challenges. For 2025, the United Nations Environment Programme (UNEP) has designated 'Putting an End to Plastic Pollution' as the theme. This choice underscores the urgent need for global action to combat the pervasive issue of plastic waste and its devastating impact on ecosystems and human health. Other options like 'Ecosystem Restoration' was the theme for 2021, and 'Only One Earth' for 2022, while 'Solutions to Biodiversity Loss' is a broad environmental goal, not the specific 2025 theme.