Vietnam
Global Concerns. Combating City Traffic Pollution. Audio, 13 minutes
The device that sucks pollution out of the air described by inventor Melvin Prueitt
- Attribution91Èȱ¬ World Service
- Available for over a year
Global Concerns. Oldest Living Organism. Audio, 14 minutes
The world's oldest organism - at 11,000 years old - is believed to be a Huon pine tree
- Attribution91Èȱ¬ World Service
- Available for over a year