Did Construction Workers Just Unearth L.A.'s Original Aqueduct?

It began as little more than a modest trench in the ground, but its name—Zanja Madre, or Mother Ditch—speaks to the importance of this proto-aqueduct to early Los Angeles. Diverting water from the free-flowing Los Angeles River, the Zanja Madre did indeed rear tiny Los Angeles, founded in 1781 as an agricultural… » 4/16/14 1:40pm 4/16/14 1:40pm

Why We Don't Design Our Cities to Withstand 1,000-Year Floods

The floods in Colorado are being described as "Biblical," and for once that word seems to fit. Boulder, for example, usually gets around 15 inches of precipitation annually. This year, that amount has fallen in the ten days since September 9 alone. On September 12, they received nine inches in one day. » 9/19/13 11:00am 9/19/13 11:00am