Silent, less deadly: Methane nearly eliminated from cow farts by seaweed

A P.E.I. farmer has helped lead to a researcher's discovery of an unlikely weapon in the battle against global warming: a seaweed that nearly eliminates the destructive methane content of cow burps and farts. Joe Dorgan began feeding his cattle seaweed from nearby beaches more than a decade ago as a way to cut costs on his farm in Seacow Pond. He was so impressed with the improvements he saw in his herd, he decided to turn the seaweed into a product.
Read more: http://www.cbc.ca/news/canada/prince-edward-island/pei-cow-farting-1.3856202?source=Snapzu