A new international report makes for bleak reading on the state of the world's soils. It predicts that land degradation will displace up to 700 million people worldwide by mid-century.
The leaders of Ethiopia, Egypt and Sudan have shown some commitment to sharing the waters of the Nile. But hard negotiations on the Grand Ethiopian Renaissance Dam are only beginning.
Ambitious plans to divert rivers are all very well, but what is needed is to manage water sources at the local level.