Landscape architect Kristina Hill focuses on helping cities adapt to climate change, particularly sea level rise. In an interview with Yale Environment 360, she discusses the challenges, solutions, and costs of saving cities from encroaching oceans.

The flood that swept through the Indian state of Uttarakhand two years ago killed thousands. Now researchers are saying that melting glaciers and shifting storm tracks played a major role in the disaster and should be a warning about how global warming could lead to more catastrophic floods in the future.

The record-breaking drought in California is not chiefly the result of low precipitation. Three factors — rising temperatures, groundwater depletion, and a shrinking Colorado River — mean the most populous U.S. state will face decades of water shortages and must adapt.

Since pre-Islamic times, Oman’s water systems known as aflaj have brought water from the mountains and made the desert bloom. But now, unregulated pumping of groundwater is depleting aquifers and causing the long-reliable channels to run dry.