Climate talks often revolve around reducing the most dangerous greenhouse gas CO2.
But other powerful heat-trapping emissions -- of methane -- are also likely to be in the crosshairs of negotiators at the crucial COP28 meeting in Dubai next week.
Methane -- which is potent but relatively short-lived -- is a key target for countries wanting to slash emissions quickly and slow climate change.
That is particularly because large amounts of methane are simply leaking into the atmosphere from fossil fuel infrastructure.