Have you seen any of them?
1. 'The Zero Emission Option'
Preparing to drop banners at Park Square Roundabout in Sheffield Photo: Nik Farah
2. An early start
Extinction Rebellion Sheffield activists met early Friday morning to take part in the Covid-sensitive demonstration Photo: Nik Farah
3. The morning commute
The banners were visible to morning commuters Photo: Nik Farah
4. 'It's time to put climate change back on the agenda'
The group says that while Covid-19 has been - rightly - at the top of the agenda so far in 2020, it's time to highlight the serious threat that climate change continues to pose Photo: Nik Farah