LONDON — Swedish climate activist Greta Thunberg is due to appear in a London court Thursday morning after being arrested while protesting outside a gathering of fossil fuel bosses late last year.

Thunberg will appear at Westminster Magistrates’ Court at 10 a.m. She has been charged with — and pleaded not guilty to — a public order offense. Thunberg could face a fine if found guilty.

The Swedish campaigner, who has become the global face of climate activism, was detained by police in London in October after joining protesters to demonstrate against the Energy Intelligence Forum, an annual meeting of energy companies. The meeting including executives of some of the largest oil and gas companies — and politicians.

Protesters attempted to block the entrance to the meeting at London’s InterContinental Park Lane Hotel. Thunberg warned that “the world is drowning in fossil fuels” before being escorted away from the event by police.

She told journalists before her arrest that “spineless politicians” were gathering at the meeting with fossil fuel lobbyists, according to a report in the Guardian.

High profile speakers at October’s meeting included representatives from oil and gas companies such as Aramco, Equinor, Shell and BP, as well as U.K. Energy Minister Graham Stuart. 

Several other protesters were also arrested on the same day.

It's not the first time Thunberg has had a brush with the law over her protesting. In 2023 she was removed by police along with other protesters as they demonstrated against the razing of the German village of Lützerath for the expansion of a coal mine.

This article has been amended to clarify that Thunberg will appear at Westminster Magistrates’ Court.