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We all know that cars and factories produce lot of greenhouse gas. Not many of us know that livestock such as cows, deer and goats also create emissions. These farm animals are responsible for lot of the world's methane. This is most common greenhouse gas after carbon dioxide (CO2). Billionaire Bill Gates decided to do something about methane these animals belch out. He invested in technology start-up that aims to reduce amount of methane coming from animal burps. The tech company is called Rumin8. It is located in Australia. It has now created synthetic, seaweed-based dietary supplement for animals. The company says its supplement stops creation of methane in animals' stomachs.

Bill Gates is co-founder of the tech giant Microsoft. He spends lot of his money on projects that help environment. He believes the farming of animals for meat should be reduced because of impact it has on climate change. He says one third of all greenhouse gas emissions comes from livestock production. spokesperson for Mr Gates' energy investment company spoke about benefits of new synthetic dietary supplement. He said: "Rumin8 offers low-cost toolbox that has already proven to be effective in reducing emissions." He added: "Our team will support Rumin8 in working closely with farmers to expand reach of this solution globally."

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