Drugs and pesticides: a pollution invisible to the naked eye
Trouts changing sex, groupers experiencing hormonal changes... It may be invisible to the naked eye, but pollution from drugs, hormones and pesticide is threatening rivers all across the world.
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