Scaling up natural gas is the largest decarbonisation opportunity on the planet. But this requires minimising methane leaks. Exciting new technologies are emerging. This note ranks producers, positions for new policies and advocates developing more LNG. To seize the opportunity, we also identify early-stage companies in methane measurement and mature public companies in the oilfield supply chain. Global gas demand should treble by 2050 and will not be derailed by methane leaks.