Gulf of Mexico: this "dead zone" could be one of the largest recorded
Over 22,000 square km of ocean nearly devoid of life... This is how big this "dead zone" could be in 2019, and it could be close to breaking a record.
Pangolins under threat as illegal trafficking grows
Fire Drill Fridays, Jane Fonda's climate fight
Hanging bridges in Costa Rica's canopy
Two monarch butterfly advocates found dead in Mexico
The life of Boyan Slat, a young man who wants to clean the oceans
'Cocaine hippos' threaten ecosystems in Colombia