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The Arteries of Earth: How Rivers Shape Civilizations and Ecosystems

Rivers have birthed every major civilization and support the most threatened biodiversity on Earth, yet 48,000+ dams have fragmented habitat, blocked fish migration, and destroyed deltas. Only 37% of long rivers remain free-flowing. This blog explores the Nile, Amazon, and Yangtze ecosystems, seasonal flooding productivity, the dam dilemma, delta vulnerability to sea level rise, and why protecting river flow is essential for both nature and human civilization survival.