Millions of people from a record-breaking 190 countries and territories joined Earth Hour 2020 online on Saturday, in the midst of the coronavirus pandemic.

Although Earth Hour 2020 was marked online at home due to the pandemic, many people – including UN Secretary-General Antonio Guterres, Pope Francis and Swedish activist Greta Thunberg – also took part at 20.30 p.m.

Earth Hour and related hashtags were trended across 37 countries on Twitter and Google Search, World Wide Fund for Nature (WWF) said in a statement on Sunday.

“Earth Hour 2020 generated over 3 billion social media impressions globally and its

Read more: Millions unite online to mark Earth Hour amid COVID-19