Environment
Much maligned LA River kept flooding catastrophe at bay
Los AngelesDesigned to quickly channel water out to sea, the concrete waterway protects lives and property but limits how much rain percolates into groundwater reservoirs.
To try to save a fast-melting glacier, scientists use geoengineering
Climate changeGreenland’s Jakobshavn glacier is one of the fastest deteriorating glaciers in the world. But some researchers say they may have figured out a way to save it.