The purification system is the most intense of the bottles tested ... The Grayl Geopress is great for backpacking, hiking or camping when clean water may be scarce.

Clean water is essential for life, but most people in the developed world don't think much about the water they use for drinking, food preparation, and sanitation. In developing nations ...

The most critical task is making sure the problem is much better ... Currently, more than one billion people don’t have access to clean water. And with 70 percent of the world’s freshwater used for ...

Drinking water quality guidelines and standards are designed to enable the provision of clean and safe water for ... Globally, the most prevalent water quality problem is eutrophication, a result ...