Well, there's a lot to be said about water alone - availability, quality and the social justice behind access or lack thereof.
I lived in an area of greatly concentrated industrial agriculture in my home state. There was arsenic in the well water and in the soil that I planted in and ate from. And I found this out the hard way after many months of symptoms. This is also an area in which the aquifers are dropping rapidly. Many people don't realize where there water comes from or what the effects are of aquifers that are getting drawn down faster than they are being recharged. A good half of us depend on ground water.
I was fortunate enough to have a doctor bright enough to ask the right questions and take a hair sample. My arsenic levels were the highest he had seen in years, and I can tell you the effects of this on the human body are not pleasant. I looked in the mirror and saw death.
I recommend working with an integrated doctor who looks at hair sample analysis (there are plenty of toxins already in our bodies). I also recommend these:
Blue Gold by Maude Barlow
http://www.chapters.indigo.ca/books/...?cookieCheck=1
http://www.thirdworldtraveler.com/Water/Blue_Gold.html
http://books.google.com/books/about/...d=8KsONoioTb4C
and "The Pollution Within" by David Ewing Duncan
http://ngm.nationalgeographic.com/20...le/duncan-text