If you send out 1 spam mail to 10.000 people, and they spend in average 5 seconds on that email it has a total cost of about 350$
http://www.cmsconnect.com/Marketing/spamcalc.htm (25$ average salary)
+ the cost of bandwidth
This is enough to feed a kid for a year.
So conclusion is that everytime you send that mass mail, you kill 1 kid. No matter where you live, what other people do or other circumstances.