Methane is the most common greenhouse gas after carbon dioxide (CO2). Livestock such as cows, goats and deer produce methane when their stomachs are breaking down hard fibres like grass for digestion. In 2019, methane in the atmosphere reached record levels, around two-and-a-half times above what they were in the pre-industrial era. Billionaire Bill Gates has invested in an Australian climate technology start-up that plans to reduce the methane emissions of cow burps. What is your take on Bill gates interest in the Australian startup ?

