Red, yellow, violet— fire hydrants come in many different colors. But it's not for decoration. These colors have an important meaning that could just save your life one day. Following is a ...

The components are mixed with water and can be made available as wet or dry concentrates depending on the needs of fire response authorities. The red color of the fire retardant is caused by the ...

Helicopters are essential for firefighting. They can drop 1,000 gallons of water at once — some much more. That’s far more than hoses can get on a fire all at once, and can be the best way to attack ...

Peter Gleick is a climate and water scientist, author of the new book The Three Ages of Water (PublicAffairs / Hachette), and a member of the US National Academy of Sciences. He was a Circle of Blue ...