Atmospheric methane concentrations are almost three times higher than pre-industrial levels and continue to rise. Reduced emissions would help to limit climate change. David Littleproud, Nationals leader, claims that signing the pledge could threaten backyard barbecues. Most of Australia's emissions of methane come from agriculture (in the form of livestock emissions), followed by coal and natural gas mining. To meet the full methane commitment, it will be necessary to invest in the industries that emit most of this gas. This will allow these industries to address climate change better and increase their sustainability while also boosting profits. Methane and global warming...