Last year was the deadliest on record for manatees, many of whom starved to death because of a lack of seagrass. A die-off is happening again this year, and federal and state officials as well as volunteers in Florida are trying to save starving manatees with a pilot-feeding project this winter. But as Miles O'Brien reports, there are also larger environmental problems in the water.

Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG
Find more from PBS NewsHour at https://www.pbs.org/newshour
Subscribe to our YouTube channel: https://bit.ly/2HfsCD6

Follow us:
Facebook: http://www.pbs.org/newshour
Twitter: http://www.twitter.com/newshour
Instagram: http://www.instagram.com/newshour

Subscribe:
PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts
Newsletters: https://www.pbs.org/newshour/subscribe