Desertification: A Slow-Motion Disaster (2025) - FAQ
Frequently asked questions about this film.
What percentage of the Earth's land surface is threatened by desertification?
Desertification is threatening 40% of the Earth's land surface.
How much fertile land is estimated to be lost each year due to desertification?
Scientists estimate that if nothing is done, 10 million hectares of fertile land will be lost each year.
What is the length of the proposed green barrier in the southern Sahara?
The proposed green barrier would be 7,600 km in length and 15 km in width.