What is The Sahel?

Many of us are familiar with the common divisions of Africa:  northern, west, sub-Saharan, etc.  So, what, exactly, is the Sahel? The Saharan Coast From an Arabic word meaning “edge” or “coast,” the Sahel is effectively a border zone between the Sahara Desert in the north and the savannahs of the south.  This vast, semi-arid […]

Water and Irrigation in The Gambia

Water is abundant in The Gambia.  The tiny nation follows along the river for which it is named; one of its two seasons is defined by rainfall; widespread flooding is an annual concern.  As climate change worsens, however, this vital resource is becoming increasingly unpredictable. Weather in The Gambia There are two seasons in The […]

The Gobi Desert and Revegetation

When it comes to a desert, most of us think hot and arid, with picturesque sand dunes and not much else.  The Lut Desert, for example, is the hottest place on Earth, where temperatures reaching 159°F (70.7°C) have been recorded.[1]  But while heat is often considered to be hand-in-hand with a desert, this is not […]

Water and Climate Change

Water Stress Water stress is when the gap between the need for water and the renewable availability of water is small.  When a country must use 80% of its available water supply, that country is under “extreme water stress.”[1]  Mexico, India, South Africa, even England has experienced these conditions.  Parts of the US endure these […]