The Maldives has purchased land in other countries to resettle its population if sea-level rise makes the islands uninhabitable.

More people live in Tokyo than in the entire country of Canada.

The Sahara Desert experiences dramatic temperature changes.

Mount Everest is not the closest point to space — due to Earth's equatorial bulge, Mount Chimborazo in Ecuador is actually closest to the stars.

The Sahara Desert stretches across northern Africa.

The United States has no official language — English is the dominant language but is not legally designated.

New Zealand was one of the last places on Earth to be settled by humans, around 1250–1300 CE.

Greenland is the world's largest island — Australia is considered a continent.

Roughly 8 billion people currently live on Earth.