North America’s Great Lakes are the largest source of fresh surface water in the world. They are essential for cities, industries, and agriculture in eight states in the United States and one province ...

The proliferations have become increasingly common in recent years and can have health and economic impacts in affected areas.

A "red tide" algae ... red tide bloom, as well as fish deaths. There have been many videos circulating online of the dead sea life washing up on Florida's shores in the past week. A map, by ...