Cow burps are a climate problem. Can seaweed help?

Transcript

There are about 1.5 billion cows on this planet. That's one cow for every five people on Earth. We keep them for dairy... and meat... and they’re a climate problem that we've struggled to solve. Every year, each one of those cows is estimated to release up to 220 pounds of methane... mostly when they burp. That's about 4% of all greenhouse gas ... Read More