Vehicle idling can compound local pollution on bad air days

You may not even realize you're doing it, but if your car engine is idling while waiting in a drive-through line, especially on days that already have bad air quality, you may be contributing to a hyper-local hotspot of air ...

From sanguine to hypersaline: Global salt lakes in decline

At its grand opening in 1913, the Los Angeles Aqueduct sent a torrent of fresh mountain water cascading into the Los Angeles valley to the cheers of an onlooking crowd of 30,000 people. The water, diverted from the Owens ...

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