Climate Watch
What's behind the Sahel's water revival?
41:11
For decades, the Sahel was synonymous with drought and desertification. But now, the region is seeing a surprising water revival. Since the 1990s, and especially over the past five years, rainfall has increased across much of the region. Rivers are flowing again. Water tables are rising. Lake Chad has also shown signs of recovery. What's driving this change? And could a wetter Sahel bring new…