News tagged with river water

New gadget for water purification: a 'nano tea bag'

(PhysOrg.com) -- Scientists in South Africa have come up with a novel way of purifying water on a small scale using a sachet rather like a tea bag, but instead of imparting flavor to the water, the bag absorbs ...

Aug 18, 2010 report
5 / 5 (21) 10 | with audio podcast

Report casts world's rivers in 'crisis state'

(PhysOrg.com) -- The world's rivers, the single largest renewable water resource for humans and a crucible of aquatic biodiversity, are in a crisis of ominous proportions, according to a new global analysis.

Sep 29, 2010
4 / 5 (12) 0 | with audio podcast