Travel restrictions. Loss of work, and the move to online classes have impacted students across the globe. But international students face an added obstacle as well as an impending decision: Stay in their adopted country and grit it out or return home, potentially forfeiting all they've worked for. In Australia, where more than half-a-million international students fill both campus housing and university coffers, the decision affects both institutions and students alike.

Watch this episode of GZERO World with Ian Bremmer: Stanford's president: College in the COVID age