Mauritius

Crews had already removed thousands of tons of fuel oil from the ship to stave off further harm to the environment. Still, scientists say it's the worst ecological disaster in the country's history.

A Japanese-owned cargo ship ran aground in late July and began leaking oil a few days ago. Now a crack has expanded in its hull. The island nation is home to species that live nowhere else.

The U.K. expelled the residents of the Indian Ocean islands and allowed the U.S. to build a military base. The U.N. Court says it must cede control of the islands "as rapidly as possibly."

Mauritius won't let in anyone who's been to an Ebola-affected country over the past 60 days. That mindset won't stop the outbreak. But it could deal a blow to the Pan-African economy.