TED-Ed

When is water safe to drink? - Mia Nacamulli (2017x83)

Date de diffusion: Août 07, 2017

Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity – there are nearly 800 million people who still don’t have regular access to it. Why is that? And how can you tell whether the water you have access to — whether from a tap or otherwise — is drinkable? Mia Nacamulli examines water contamination and treatment. Lesson by Mia Nacamulli, directed by Rooftop Animation.