Emissions of methane, a potent greenhouse gas, are on the rise. The Permian Basin in the USA is a key contributor, due in large part to leaky pipes. President Joe Biden has reinstated laws on plugging oil and gas leaks that were scrapped by Donald Trump, but it’s not just human activity driving the surge in methane levels.

See if you get the FT for free as a student (http://ft.com/schoolsarefree) or start a £1 trial: https://subs.ft.com/spa3_trial....?segmentId=3d4ba81b-

Visit the Energy Source hub for more videos: https://channels.ft.com/en/ft-energy-source/

► Check out our Community tab for more stories on the economy.
► Listen to our podcasts: https://www.ft.com/podcasts
► Follow us on Instagram: https://www.instagram.com/financialtimes'