What We've Done

I missed this map last week. It details the effects humans have had on Earth's oceans. From the link:

BOSTON--Four years in the making, a groundbreaking new map of the state of the world's oceans was released today, and its message is stark: Human activity has left a mark on nearly every square kilometer of sea, severely compromising ecosystems in more than 40% of waters.

The home of the map, with more details, is here. Here's a snapshot: