As a consequence of the war, thousands of Ukrainians have no access to clean drinking water. They rely on NGOs for water deliverances, as the pipelines have been tangled up in the seemingly endless fighting on the eastern front.
New hydropower dams have become a source of concern for some environmentalists.
Europe is home to a wealth of fresh water rivers, lakes, waterfalls and glaciers which provide some of the best drinking experiences in the world. We shortlist our favourites.
Rich biodiversity in the river Vjosa is being threatened by dam building.
Everything from lead batteries to scooters has so far been removed from these fragile ecosystems.
Did you know? Streaming videos adds to the carbon, water and land footprints of your internet usage.
With a sense of smell 10,000 times sharper than ours, dogs can have a significant impact in the conservation sector.
On oil and gas producing platforms, produced water is also extracted with crude oil or used to bring it to the surface. But it is often contaminated and can be harmful to fragile ecosystems if discharged without treatment.
It has been called one of the worst human-caused environmental disasters in American history.
New York City has opened up hundreds of fire hydrants to help locals cope with hot temperatures.
A New Zealand company has developed a new way to get moving on water, with the help of pedal power and an electric engine. On display at the CES tech show in Vegas, the Manta5 Hydrofoiler can reach speeds of 12 mph (20 kph).
Not having access to a toilet has serious consequences but researchers have plenty of ideas on how to tackle the problem
Most of southern Europe falls into the 'high water stress' category, with some cities and region facing an even deeper crisis.