Overgrazing has resulted in desertification of about 80 percent of the 574,700-square-kilometer of pasture in the co-developing area. The same thing is happening to the 519,000-square-kilometer of ...

The swamp faces massive degradation. [Photo by Kipsang Joseph/Standard] Overgrazing, climate change and invasive plant species have been cited as the causes of depletion of wetlands. The four have ...