New guidelines weigh the pros and cons of filters, ultraviolet light, chemicals, and other options
Melting snow for drinking water isn't as easy as it sounds
Those tasty bivalves we can't get enough of are also great for filtering pollutants out of the water, but there's a balance that comes with building more oyster farms
Like its predecessors, the Sawyer Micro Squeeze removes 99.9 percent of bacteria, but through a much lighter and smaller package.
Boyan Slat, the 24-year-old founder and CEO of the Ocean Cleanup, has finally launched a system he says will rid the Great Pacific Garbage Patch of half its plastic trash in five years.
Here's what you can do to keep your filter in good shape and how to know when it's time to spring for a new one
Our favorite ultralight filter gets a welcome upgrade
And global warming could bring more of it to the surface
Sure, it's expensive, but hear me out
The $50 tool will save you from the runs caused by bacteria, protozoa, or particulates found in U.S. backcountry water sources
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