Mop Up the Sky

Tide may be tough on stains, but could it also be tough on the environment? This is Sandra Tsing Loh with the Loh Down on Science. Great news! Air pollution caused by cars has plummeted thanks to new laws. But for some reason, there’s still smog hanging over L-A. What

Rain Dance

Oh boy: is yet more freak weather coming our way? This is Sandra Tsing Loh with the Loh Down on Science. When clouds are overloaded with water vapor, it rains. But warm cloud air can hold a lot more water than cooler air. So increased heat can create bigger water

Water Wise

They paved paradise, put up a parking lot, and then what? This is Sandra Tsing Loh with the Loh Down on Science. One of the many ways modern societies lose valuable drinking water is through toilets. So says environmental engineer Stanley Grant of the University of California, Irvine. He and

Leaky Carbon Faucet

Better call that plumber, we’ve got some leaky carbon over here! This is Sandra Tsing Loh with the Loh Down on Science. Carbon dioxide, or C-O-2, is rising in the atmosphere. And we rely on large, dense forests called carbon sinks to suck it up. But exactly how much C-O-2