The government risks undermining its goals to cut methane emissions without stricter regulations on onshore oil and gas operations, environmental campaigners have argued.
The UK government is being urged to adopt tough controls in the coming weeks on methane releases from the oil and gas industry.
The South Downs National Park has approved plans to route a high voltage cable from the Singleton oil site through ancient woodland to a connection with the national grid.
Star Energy is seeking to export electricity generated at a site in the South Downs National Park.
Oil fields run by Star Energy, in or near the South Downs National Park, have been recorded emitting climate-changing gases for the third time.