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Today, on the International Day of Action for Rivers, let us recognise and celebrate the vital role that rivers play in sustaining life—supporting ecosystems, biodiversity, and the livelihoods of billions of people.
Pema Gyamtsho
1 min Read
March 14, 2025 — Today, on the International Day of Action for Rivers, let us recognise and celebrate the vital role that rivers play in sustaining life—supporting ecosystems, biodiversity, and the livelihoods of billions of people. This annual observance, established in 1997 in Brazil, emerged from a global movement to protect rivers and the communities that depend on them. It is a day to reflect, raise awareness, and take meaningful action to safeguard these essential lifelines of our planet.
This year’s theme, “Our Rivers, Our Future,” serves as a powerful reminder that the health of our rivers is directly tied to our collective well-being, in fact our very survival. Nowhere is this more evident than in the Hindu Kush Himalayan (HKH) region, home to some of the world’s most vital transboundary rivers, including the Indus, Ganges, and Yarlung Zangbo-Brahmaputra. These rivers nourish an estimated 1.8 billion people downstream, providing water, food and energy across vast landscapes. However, climate change, unsustainable development, pollution, and water governance challenges threaten their health and the future of dependent communities.
At ICIMOD, we recognize that the future of these rivers depends on collaborative, science-based action. Through our River Basins initiative, we work closely with riparian nations to promote regional cooperation, integrated water governance, and climate-resilient policies. Our research in cryosphere monitoring, water security, and ecosystem-based adaptation is helping to shape sustainable solutions that protect these rivers and ensure they continue to support the people and biodiversity that rely on them.
But safeguarding our rivers requires a shared commitment. We must work together—across borders and sectors—to restore degraded river systems, uphold the right to clean water, and empower local communities to have a voice in shaping water policies. Whether through advocacy, sustainable policies, or grassroots action, we all have a role to play.
On this International Day of Action for Rivers, ICIMOD stands in solidarity with riverine communities, policymakers, and scientists striving to protect our freshwater ecosystems. Let this be a call to action—to preserve our rivers not just for today, but for generations to come.
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近期的空气质量寿命指数(AQLI)报告标题为:“空气污染是地球上人类预期寿命面临的最大外部威胁”。这一严厉警告应该足以激励全球采取行动应对这一最严重且无处不在的威胁。然而,目前还没有专门针对这一“沉默杀手”的全球合作框架或公约。据世界卫生组织称,每年有 700 万人过早死亡与空气污染有关,这比迄今为止死于 Covid-19 的人数还多,而且根据该报告,空气污染对普通人的健康危害比吸烟或酗酒还大。为纪念今年国际清洁空气蓝天日,我紧急呼吁全球和地区领导人建立应对空气污染的全球合作框架。该框架应与解决“三重地球危机”的其中两个要素——气候变化和生物多样性丧失——的框架保持一致。 兴都库什-喜马拉雅地区受到的空气污染的严重影响,根源有很多,包括:机动车辆、工业、焚烧固体生物燃料、农作物秸秆和家庭废物。重要的是,这类受污染的空气并不是某个城市、地区或国家特有的,而是整个印度河-恒河平原和喜马拉雅山麓——横跨北印度次大陆和山脉的数十万平方公里的区域——所共有的。该地区空气中的悬浮颗粒经常超过安全水平,影响着居住在这里的大约十亿人。 正如联合国空气污染倡议所解释的,颗粒物是微小的污染颗粒,这些微小、肉眼看不见的颗粒污染物会深入我们的肺部、血液和身体。约三分之一的中风、慢性呼吸道疾病和肺癌死亡病例以及四分之一的心脏病死亡病例都因这些污染物造成。阳光下许多不同污染物相互作用产生的地面臭氧也是哮喘和慢性呼吸道疾病的原因之一。 美国芝加哥大学能源政策研究所发布的空气质量寿命指数报告显示:“如果污染水平将持续,孟加拉国、印度、尼泊尔和巴基斯坦的居民预计平均寿命会缩短约 5 年。” 报告继续指出,“亚洲和非洲负担最重,但缺乏关键基础设施”。尽管如此,我们还是有理由希望在我们的地区找到可能的解决方案,因为中国在空气污染防治的努力仍然取得了显着成功,而且工作仍在进行中。正如该报告所述,“自 2013 年(即中国开始“反污染之战”的前一年)以来,中国的污染已下降了 42.3%。由于这些改善,如果减排持续,中国公民的平均寿命预计会延长 2.2 年。”
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