Low-tech initiatives: Providing villages with water without using any electricity
Many villages in the Philippines don't have access to drinking water. But this team has found a way to address this. Thanks to a 200-year-old system and with no electricity.
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