Institute for Water Environment and Health (UNU-INWEH)

Every day for more than 20 years, an average of 2,000 hectares of irrigated land in arid and semi-arid areas across 75 countries have been degraded by salt, according to a study by UN University’s Canadian-based Institute for Water, Environment and Health (UNU-INWEH), published Oct. 28. Today an area the size of France is affected — about 62 million hectares (20%) of the world’s irrigated lands, up from 45 million hectares in the early 1990s. Read More »