Drought is a prolonged, abnormally dry period when the amount of available water is insufficient to meet our normal use. Drought is not simply low rainfall; if it was, much of inland Australia would ...

The Federation drought was one of Australia’s worst droughts. It began in the mid-1890s with the most extreme conditions in late 1901 and 1902. By August 1902, heavy sheep and cattle losses were ...

Background: Drought-resistant varieties are an important way to address the conflict between wheat’s high water demand and the scarcity of water resources in the North China Plain (NCP). Drought ...

Where a river begins Features of a river's upper course How waterfalls, gorges and other physical features are formed Wildlife you might find near or in the upper course This resource is suitable ...