World; A world map with no national borders and 1,642 animals . Dec. 17, 2023 at 7:00 am Updated Dec. 17, 2023 at 8:00 am . By . Natasha Frost. The New York Times.

With up to three billion people expected to be displaced by climate change by 2100, does there need to be a shift in the way we think about national borders, asks Gaia Vince?

While no country officially maintains completely open borders, several nations have open-border agreements with specific regions. U.S. ... Map Shows Countries Around The World With Open Borders.

A hiker and outdoorsman, Mr. Thomas as a child yearned for a world where nature ruled supreme. His map represents the “idealistic planet that I wanted,” Mr. Thomas, 34, said.