damselflyRepresenative image from Canva For much of the 20th century, the Santa Cruz River that winds through Tucson, Arizona, existed more as a memory than a living waterway. Groundwater pumping, drought and urban growth drained the riverbed, leaving long stretches of dry sand and scattered pools. Then, in a quiet but transformative experiment, treated wastewater,…

Centuries after people forced a Cumbrian river into a straight, artificial channel, nature has reclaimed its original course in the Lake District, bringing endangered wild fish back to historic spawning grounds almost immediately. In the summer of 2016, conservationists restored a 1.1-kilometre stretch of Swindale Beck near Haweswater by putting its natural bends back into…

View of the Ohanapecosh River and predated Northwestern Salamanders (Ambrystoma gracile) eaten by introduced trout. Mount Rainier’s glaciers and snowfields feed a magnificent system of icy streams and mountain lakes. On the surface, these waters look pristine, scattered pools in one of America’s most iconic landscapes. But beneath the surface, scientists are looking at a…

Image: Left/Wikipedia/Right/Gaby Barathiue, Ocean Image Bank The world’s oceans cover most of the planet, yet vast areas remain difficult to protect, monitor and manage. In June 2026, Michael Bloomberg’s philanthropic organisation announced a fresh $260 million commitment to expand the Bloomberg Ocean Initiative, bringing its total support for ocean conservation to $635 million. The investment…

The Amazon River is one of the world’s largest and most powerful river systems, carrying an extraordinary volume of freshwater across South America before emptying into the Atlantic Ocean. Its immense flow is closely connected to the vast Amazon basin, which receives water from rainfall, tributaries and sources in the Andes. The river carries approximately…

PC: LinkedIn Profile of Aadit Krishna A Union County teenager has developed a floating water-purification system designed to tackle PFAS (Per- and polyfluoroalkyl substances), a class of persistent chemicals called ‘forever chemicals’. Aadit P. Krishna, whose research focuses on decentralised water purification, developed HelioPure as a solar-powered platform that can operate on surface water. The…