"In economics, an externality (or transaction spillover) is a cost or benefit, not transmitted through prices INCURRED BY A PARTY WHO DID NOT AGREE to the action causing the cost or benefit."
Random example, August 2011- Noone freely "agrees" to such inhumane treatment...
The hideous, abusive conditions for the tens of thousands of children who work on cocoa farms...
QUOTE: Parents often send their children from their rural homes (where there is a lack of resources and jobs) to Cote d'Ivoire to work in whatever conditions to support their families. Conditions among the children vary, some get paid low wages, some get no pay at all.
Allison Richina, Intern, International Labor Rights Forum

More examples - just open your eyes, they are everywhere....
our wounded earth...
...the hidden, sordid costs behind our technologies
...the Great Pacific Garbage Patch
...the threat of barren oceans within 30 years: "To catch one pound of shrimp, we might kill 12 pounds of other animals that get thrown back into the sea [dead] as by-catch."