Science & Technology

Great Whales Rebound as Marine Engineersi
X
July 09, 2014 8:47 PM
In the heyday of commercial whaling in the 19th and 20th centuries, whales were killed by the tens of thousands. By the time an international moratorium was put in place in 1986, some populations of the giant marine mammals had declined by an estimated 66 to 90 percent. Since then, whale populations have rebounded and, as VOA’s Rosanne Skirble reports, they are improving the ocean environment.

Great Whales Rebound as Marine Engineers

Published July 09, 2014

In the heyday of commercial whaling in the 19th and 20th centuries, whales were killed by the tens of thousands. By the time an international moratorium was put in place in 1986, some populations of the giant marine mammals had declined by an estimated 66 to 90 percent. Since then, whale populations have rebounded and, as VOA’s Rosanne Skirble reports, they are improving the ocean environment.


You May Like

Video Genome Initiative Urgently Works to Freeze DNA Before Species Go Extinct

Smithsonian senior research botanist Vicki Funk says ultimate goal is 'trying to get one-half of the diversity of plant life on Earth at the genus level in two years' More

Video Russia Accused of Abusing Interpol to Pursue Opponents

Report from member of British think tank says Russian extradition requests keep targets from traveling More

US Lawmakers Weigh Turkish Anti-terror Moves

Turkey’s two-pronged campaign against Islamic State militants, Kurdish PKK forces provokes mixed reactions on Capitol Hill More

This forum has been closed.
Comments
     
There are no comments in this forum. Be first and add one