Protein^®

Cow flatulence and its link to climate change has been a favorite topic for us to cover at TreeHugger. So it shouldn't come as much of a surprise that we'd jump on a Reuters story describing the climatic implications of cow burps.

Researchers in Argentina have been "collecting" cow burps by strapping big, red plastic tanks to their backs. Just as cow farts are a significant source of methane emissions, so ar...