Liquids

A new gadget can detect your H02 use throughout your home.

Salt keeps wintry roads safe for driving, but the effects on wildlife and fresh water aren’t as positive.

Congress is pushing legislation to help developing nations in their quest for clean water. Activists fear that private companies will take over, charging prices that are too expensive for many residents.

Parts of the west are experiencing severe drought. Things have gotten so bad that even holy water has to be rationed out. From Golden, Colorado, Shelley Schlender reports.

Water was a key issue at the sustainable development summit this year. Worldwide, more than a billion people do not have clean water to drink. South Africa has been able to distribute water to seven million people in seven years. But to do that, it has embraced a free-enterprise model for charging people, including the […]