Bill Gates backs start-up tackling cow burps and farts

It turns out burps can be big business. Billionaire Bill Gates has announced an investment in Australian start-up Rumin8, which is developing a seaweed-based feed to reduce the methane emissions cows produce through their burps and, to a lesser extent, farts.

​It turns out burps can be big business. Billionaire Bill Gates has announced an investment in Australian start-up Rumin8, which is developing a seaweed-based feed to reduce the methane emissions cows produce through their burps and, to a lesser extent, farts.