Cities typically draw water from diverse sources, such as rivers, lakes, or reservoirs. Each source presents unique challenges, ranging from pollution concerns to industrial runoff. Pollution, both ...

Contaminated water poses serious health risks, as seen in recent illness outbreaks. Experts warn that unsafe water can cause diseases like diarrhoea, cholera, and typhoid. Simple home purification ...

Everyone needs access to clean water, but in many areas, the available water supply contains bacteria, chemicals and even sediment. These contaminants can cause everything from an undesirable taste to ...

One in 10 people worldwide lack regular access to safe drinking water. In an effort to tackle this most basic humanitarian problem, engineers around the globe have developed a wide array of devices, ...

Methods to improve water purification or build better batteries are problems that have challenged scientists for decades. Advances have inched forward, but rising demand moves the finish line further ...

There are many situations when a water supply could temporarily be interrupted for a few hours or up to several days or weeks. Availability of drinking water is critical in these situations because ...

As the global population grows, fresh water supplies are more precious than ever. While scientists and engineers know how to purify water, making those methods sustainable and energy efficient is ...

Chemical reactions that make improvements in water purification and batteries possible occur at scales too small to see. A team of researchers has developed a way to produce real-time observations ...

The limited freshwater sources and the ease of water pollution necessitate efficient treatment systems. Membranes are commonly employed as filters and quality control materials in water treatment ...

The worldwide population is growing at an exponential rate of 83 million people each year, and is expected to reach 7.9 billion by 2020. The challenge of a rapidly growing population combined with an ...

Thetran kottai is a hard white seed which people use to purify water. When rubbed on stone, it produces a jelly-like substance. When this is mixed with water, the water becomes pure. A single seed is ...