Power plants must cut pollution crossing state lines, new EPA rule says
www.washingtonpost.com
New federal restrictions aim to cut smog-forming pollutants from power plants and other industrial facilities that cross state lines.
Meet the sargassum belt, a 5,000-mile-long snake of seaweed circling Florida
www.npr.org
Since 2011, a fleet of seaweed patches double the size of the contiguous U.S. has cycled from West Africa to Florida, threatening beaches from Martinique to Miami. This year, it could grow bigger.