Mourners gathered in Baton Rouge, La., Friday for the funeral of Alton Sterling, the African-American man killed by a police officer last week. His death spurred protests and a federal investigation.

Members of a Native American community in south Louisiana are retreating from their coastal home and trying to preserve their culture in the process.

In preparation for sea level rise, vulnerable cities are building infrastructure to protect themselves. But as a look at New Orleans and Philadelphia shows, the strategies are unique to each city.

For the first time, companies can apply to set up fish farms in U.S. federal waters. The government says the move will help reduce American dependence on foreign seafood and improve security.