Palmyra Atoll. (Credit: Erik Oberg/Island Conservation via Wikimedia Commons)

Obama’s Ocean Gambit

The world’s most obvious crises — Ebola, the Islamic State, the mysterious Khorasan Group — lie on land. But turmoil is also roiling the seas.

Do Plastic Bag Bans Work?

What’s the latest on efforts to ban plastic bags? How many U.S. locales have instituted some kind of ban, and have these initiatives made a dent in the amount of plastic litter?