Điều này Video không tồn tại trong ngôn ngữ của bạn, Xem trong: English (en),
Hoặc dùng Google Translate:  

Across the world billions of people are using their smartphones for surfing, selfies and social media. But here in the Mekong delta they’re using them to tackle climate change. The International fund for Agricultural Development ( IFAD) alongside the Vietnam government is funding an app which helps farmers by giving them an early warning detection system to tell them when salty water is getting into their fields and helps them stop it before it ruins their crops.

SHOW LESS