Increasing Frequency In recent years, dust storms have become more frequent and severe, especially in regions such as the ...

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 ...

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 ...