Declining Megafauna Having 'Dramatic Effects'

The shocking decline of elephant populations in Africa highlights the devastating impact the loss of large mammals will have on the planet.

What Will Climate Change Mean for Whales? These Scientists Hope to Find Out.

Writer Douglas Fox and photographer Carolyn Van Houten are spending 15 days aboard the M.V. Ortelius, docked here at the Port of Ushuaia on March 10, 2016, to join scientists conducting studies of humpback and minke whales in the glacial fjords along the Antarctic Peninsula.

Increased protection urgently needed for tunas, experts urge

For the first time, all species of scombrids (tunas, bonitos, mackerels and Spanish mackerels) and billfishes (swordfish and marlins) have been assessed for the IUCN Red List of Threatened Species. Of the 61 known species, seven are classified in a threatened category, being at serious risk of extinction. Four species are listed as Near Threatened and nearly two-thirds have been placed in the Least Concern category.