[anamax]

> Water pollution is defined as a change in the chemical, physical and biological health of a waterway due to human activity.

True, but that doesn't make your claim about the Great Lakes true.

> The Silicon valley reference was to highlight the huge environmental impact of the high tech industry.

Silicon Valley isn't the high tech industry. It is a specific place in California.

As I suggested you're arguing "the truth of my claims doesn't matter because I mean well." That's both wrong and counter-productive for both your credibility and your cause.

> That may be in North America, or India.

In other words, you have no idea if it actually happened.

And you don't care.