今日专家影片：东安格利亚大学生态学学生卢克·法尼什与山姆讨论生物多样性的重要性，以及人类对生态系统的影响。

This engaging discussion highlights the vital importance of biodiversity for medicine, aesthetics, and ecosystem health, using a local grassland as an example of rich ecological diversity. It emphasises the interconnectedness of plants, insects, microorganisms, and the impacts human activities like urbanisation and deforestation have on natural habitats, urging us to consider sustainable practices for the future.