Columns

Jan 9 2017

A popular game here in the Washington, D.C., area right now is to guess how the incoming administration will impact various sectors from finance...

Feb 13 2013

This past August, in my column about the hunt for Osama bin Laden, I mentioned that Time magazine reported that Pakistani authorities arrested a...

Jan 16 2013

When is the slope too slippery to give liability relief to “good guys” who clean up abandoned hard rock mines and prevent...

Nov 7 2012

Climate change is water change. 

That is a line I first heard many years ago, and it is proving true from...

May 11 2012

Another World Water Day (March 22) has come and gone, but this year’s events linger in my memory more than previous ones.

For starters,...

Apr 27 2012

If you are reading Water & Wastes Digest and this column, you are a professional in the water or environmental industry and have...

Feb 15 2012

Welcome to my first column for Water & Wastes Digest (WWD). I hope to use it to explore current and thought-provoking issues...

Nov 8 2011

“The leaves change
And so do I.
They fall to the ground,
And I fall to the sky.

Apple and cinnamon,
Swirl all...

Sep 16 2011

Unlike dissolving table salt in water, removing salts from water  pays the cost for going against nature. Laws of nature govern the chemical...