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 ...

Adsorption is a phenomenon in which molecules or ions from a fluid phase (gas or liquid) are attracted and retained on the surface of a solid phase (adsorbent). Adsorption is different from absorption ...

Regions particularly affected include Southern and Central Asia, as well as North Africa, where the situation is critical. Even countries with advanced infrastructure, such as the United States, are ...