I think Gene and Cheryl put it quite well. It all comes down to the simple
fact that all systems and life/energy processes here on Earth are
interconnected. A change in one affects others - sometimes in ways that are
not
immediately obvious. And because the interrelationships are so
This friend speaks my mind. If you use the current calculators for water,
carbon, or ecological footprint that are available on line, a college first
year student sees the connection. I realize those calculators are sloppy and
in many ways incorrect, but if I want to teach students about
