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Editorial Analysis: It will take global cooperation for us to save the world’s rivers

River Conservation

Approx Read Time: 4 minutes 
River Conservation

Importance of rivers:

  • From the Tigris to the Indus and the Yangtze to the Nile, rivers were essential to the emergence of human civilization.
  • Millennia later, hundreds of millions of people still depend on rivers to quench their thirst, grow food, and make a living.

Rivers are being destroyed:

  • Despite the importance of rivers, we are rapidly destroying the planet’s river systems, with serious implications for our economies, societies, and even our survival.
  • In total, almost two-thirds of the world’s long rivers have been modified, and some of the world’s longest—including the Nile and the Rio Grande—now qualify as endangered.
  • Of the 21 rivers longer than 1,000km that still flow freely from their mountain sources to the sea, most are in remote regions of the Arctic and in the Amazon and Congo basins, where hydropower development is not yet economically viable.

Major reasons:

  • Countries, from Asia to Latin America, have also been tapping long rivers for electricity generation.
  • Case of China:
    1. China’s dam-building frenzy and over-exploitation of rivers is wreaking environmental havoc on Asia, destroying forests, depleting biodiversity, and straining water resources.
    2. China’s first water census, released in 2013, showed that the number of rivers had plummeted by more than half over the previous six decades, with over 27,000 rivers lost.
    3. The diversion of water for irrigation is also a major source of strain on rivers.
    4. In fact, crop and livestock production absorbs almost three-quarters of the world’s freshwater resources, while creating run-off that, together with industrial waste and sewage discharge, pollutes those very resources.


  • These trends strain water resources, destroy ecosystems, and threaten human health.
  • For example, heavy upstream diversions have turned the deltas of the Colorado River and the Indus River into saline marshes.
  • Moreover, lower river-water levels impede the annual flooding cycle, which in tropical regions helps to re-fertilize farmland naturally with nutrient-rich sediment.
  • In periods of below-average rainfall, a number of rivers increasingly run dry before reaching the ocean.
  • Even when they do make it, they are depositing less of the nutrients and minerals that are vital to marine life.
Impact on humans:
  • Humans are also not exempt from the health consequences of river destruction.
  • For example, In Central Asia, particles blown from the exposed seabed of the dried up Aral Sea not only kill crops; they are sickening local people with everything from kidney disease to cancer.
Impact on climate change:
  • Free-flowing rivers play a critical role in moderating the effects of climate change, by transporting decaying organic material and eroded rock to the ocean.
  • This process draws about 200 million tons of carbon out of the air each year.

Not enough action to protect rivers:

  • Clearly, the case for protecting our rivers is strong.
  • Yet, while world leaders only talk about strengthening river protections, but it is rarely translated into action.
  • On the contrary, in some countries, regulations are being rolled back. Many countries pursue projects without regard for their cross-border or environmental effects.
  • The US government repealed “Waters of the US” rules that limited pollution of streams, wetlands, and other bodies of water.
  • Brazil government has relaxed environmental rules in the name of economic growth.
  • The absence of water-sharing or cooperative-management arrangements in the vast majority of transnational river basins facilitates such destruction.

Measures to protect rivers (River Conservation):

Giving protective status to rivers:

  • One way to protect relatively undamaged river systems—such as the Amur, the Congo, and the Salween—would be to broaden implementation of the 1972 World Heritage Convention, and add these rivers to the World Heritage List, alongside UNESCO World Heritage Sites.
  • This would be in line with recent efforts in some countries—Australia, Bangladesh, Colombia, India, and New Zealand—to grant legal rights to rivers and watersheds.

Restoring damaged rivers:

  • As for the rivers that are already damaged, action must be taken to restore them.
  • This includes:
    1. Artificially recharging rivers and aquifers with reclaimed wastewater;
    2. Cleaning up pollution;
    3. Reconnecting rivers with their floodplains;
    4. Removing excessive or unproductive dams;
    5. Implementing protections for freshwater-ecosystem species.


  • The world’s rivers are under unprecedented pressure from contamination, damming, and diversion.
  • International cooperation can save them, but first we must recognize the consequences of doing nothing.

Also Read: Lok Sabha clears Bill to include more tribes in ST category in Karnataka

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