Such a treatment could be given at the beginning of the cow's life -- enabling emissions cuts even for cows that spend most of their lives on pasture.

It's the start of a 7-year, $30 million project to change the cow stomach. Much more here, in this piece by me and Emily Wright, with photos by Helynn Ospina. (And more photos of Sushi the calf!) /end www.washingtonpost.com/climate-solu...

Scientists may have found a radical solution for making your hamburger less bad for the planet

Scientists are studying how to genetically modify the makeup of cows’ gut microbiomes to prevent their planet-warming methane emissions.