Study picks apart factors that caused severe, long-lasting droughts and suggests increased risk for future.
droughts Archives - State of the Planet
A new book, the second in a series of primers with the Earth Institute imprint, provides an interdisciplinary overview drought, bringing together many fields including climate science, hydrology and ecology.
A weather index insurance tool is graduating from research project to commercial product.
Upmanu Lall, director of the Columbia Water Center, explains South Africa’s water shortage and why places in the U.S. could be at risk, too.
Thousands of years before Biblical times, during a period when temperatures were unusually high, the lands around the Dead Sea now occupied by Israel, Jordan and surrounding nations suffered megadroughts far worse than any recorded by humans. Warming climate now threatens to return such conditions to this already hard-pressed region.
Water capture and storage for irrigation has been an ongoing theme of research in Columbia’s earth and environmental engineering department, but Professor Upmanu Lall has recently taken things a step further. With funding from the Pulitzer family, Lall challenged a group of students in his senior engineering course to design a low-cost system of water… read more