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

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