In addition to containing the vast majority of the liquid freshwater on the surface of our planet, humans use lakes for more purposes than any other type of water system.

UNESCO: Summary

The second piece of evidence pointing to is the eccentric orbit of an existing planet around the star, which is in an orbit not normally expected in this type of system.

FORBES: Astronomers Discover A Star That May Have Destroyed Its Own Planet

And certainly our hope is that as the Senate goes about processing the treaty in the committee and then ultimately on the floor, that that type of bipartisanship will be engendered in meeting the goals of making our planet a safer place to be for everyone.

WHITEHOUSE: Press Briefing