Water levels at the Kariba reservoir plunged to a record low of less than 1%, curtailing power supply to Zambia and Zimbabwe and shuttering the tourism and fishing industries. The world’s largest man-made dam based on water-storage capacity had 0.97% usable storage on Dec. 28, compared with 20% a year earlier, according to data available from the Zambezi River Authority. That’s less than the previous low set almost three decades ago. Normally, water levels start rising in January. Zambia began power rationing on January 3 because of the critical low levels. Zimbabweans have been subjected to 19 hours of power outages a day, because there is insufficient water in the Kariba dam to drive the nation’s main hydropower plant. Read more at the link in our bio or visit: bloomberg.com/green 📷: Jekesai Njikizana/AFP/Getty Images