That's not all he wants to give up.
On February 5th, Kerry was asked about his position on protecting the Great Lakes from siphoning. His response?
"The water rights issues have been guided by the court decisions, states and the compacts between states. But it is also important to understand that we have national needs. It's a delicate balancing act. There are different ways of managing water rights with remunerations and the appropriate respect to states' rights."
If they're good for "national use," I'm sure he'd be happy to let the UN oversee them as well.