What is an easement?
An easement, simply put, grants a right to (usually) the owner of one piece of land, to do something on someone else’s land, with a corresponding duty on the other person to allow him to do it.

Easements like this are sometimes known as “positive easements” because they create a positive duty.

The other sort of easement is a “negative easement”. These easements allow the owner of one parcel of land to stop his neighbour from doing something – for example, “you must not dam the stream that runs from your property to mine so that it prevents […]