Question:

How absolute are my property rights in a libertarian system?

For example: I install a fish pond in my yard and stock it with trout. A corporation builds a coal-fired power plant 100 miles from my house. Because of their activity, traces of mercury show up in my fish. Do my property rights include the right not to have my land contaminated with poison?

Answer:

Yes. You always have recourse if a person harms your property. If someone dumps garbage on your lawn or mercury into your pond, you have the right to: 1) full restoration of your property; or 2) a settlement acceptable to you.