India's holy Ganges begins as a crystal clear river high in the icy Himalayas but pollution and excessive usage transforms it into toxic sludge on its journey through burgeoning cities, industrial hubs and past millions of devotees.

Nearly a quarter of all the rivers in England are at risk because of the vast amounts of water being removed for use by farms, businesses and people homes, according to a new report. Environment Agency figures obtained under freedom of information law by conservation charity WWF showed that 14 per cent of rivers were classed as over-abstracted – “meaning water removed is causing river to drop below levels required to sustain wildlife”.

Scientists warn that hydroelectric dams in the Amazon could have a significant impact on the environment. By Rebecca Morelle.

Just 20 rivers are responsible for two-thirds of the pollution in the ocean.

The River Wharfe in Yorkshire makes for a lovely spot for a picnic or walk, but it has a dark side - a stretch of water that it's claimed is the most dangerous in the world. It narrows at a point called the Strid, near Bolton Abbey, which is said to have a deadly combination of fast currents and underwater rocks.

Searching for the sources of China’s great rivers. By Philip Ball.

The area affected by the Mississippi flood of 1927, the most severe in US history, is unrivaled in the annals of American “natural” disasters. By Peter Coates.

In this first ever observed case of ‘river piracy’, the Slims river vanished in just four days as intense glacier melt suddenly diverted its flow into another watercourse.

You know climate change is getting serious when rivers are resorting to piracy. Canadian geomorphologist Dr. Daniel Shugar and his team headed to the Yukon last year to study changes in the flow of the Slims River, only to find out the river was gone. The Slims, which was fed by the Kaskawulsh glacier, has become the victim of the first case of what's known as river piracy in modern recorded history.

Interior Secretary Ryan Zinke suggests that the Trump administration may not even build the border wall in U.S.

According to a multi-year study published in the Geological Society of America this week, the area where the Nile river drains out to the sea is suffering from decreased water flow, rising sea levels, and salt water intrusion—all of which damage food production and fresh water supplies... By Lily Kuo.

Investigations are underway to figure out what actually happened in the months and years leading up to this week's unprecedented failure at two spillways on the Oroville Dam in California - the tallest in the United States.

Residents of Oroville and nearby towns were ordered to immediately evacuate on Sunday afternoon after a “hazardous situation” developed involving an emergency spillway at the Oroville Dam. 

Huge coral system reef where the Amazon River meets the Atlantic Ocean was discovered last year.

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Throughout early modern times, the Thames was essentially a massive garbage dump where people and its industries threw away their unwanted items.

The magma stream should help geophysicists predict more accurately if and when the magnetic field of the planet’s core will flip, and the magnetic north and south poles trade places, which happens every few thousand years. By Andy Coghlan.

A faulty pipeline has leaked 176,000 gallons of crude oil into a creek and the surrounding countryside 2.5 hours away from the Standing Rock protests in North Dakota.

From sea to shining sea, here are America's most beautiful natural wonders.

Lawsuits and a new study raise questions about the project’s environmental impact. By Lesley Evans Ogden.