Desert greening desiccating winds and the invasion of sand. The Rajasthan Canal system in India is the major irrigation scheme of the Thar Desert and is intended to reclaim it and to check spreading of the desert to fertile areas. Prevention of shifting sand dunes is accomplished through plantations of "Acacia tortilis" near Laxmangarh town. There are few local tree species suitable for planting in the desert region and these are slow growing. The introduction of exotic tree species in the desert for plantation has become necessary. Many species of Eucalyptus, Acacia, Cassia and other genera from Israel, Australia, US, Russia, Zimbabwe,
Thar Link Express renewable rail communication agreement was again extended by both nations from 19 January 2016 to 18 January 2019. This agreement forms the basis of running Thar Link Express, as well as the Samjhauta Express. The Delhi–Lahore Bus and Srinagar-Muzaffarabad Bus are based on a separated agreement. The Thar Link Express is a continuation of the previous "Sind Mail", when it was revived after a period of 41 years on 18 February 2006. Indian network, on which this train runs, was converted to broad gauge long ago. In 2005, Pakistan also converted the line from metre gauge to broad gauge. This