Dr Bing Jones, of Extinction Rebellion Sheffield, said: "Nobody is listening to the scientists when they say they are completely confident that we have got 12 years to take really radical action to sort this".
As you can imagine, more people are reading The Jerusalem Post than ever before.
Police stopped the youngsters from blocking the roads, forcing them onto the pavement.
Extinction Rebellion protesters were warned by police they would face a "firm action" if it caused any offences - such as an obstruction of highway - at the site.
Members of the Norwich XR group who have been present in the city since the demonstrations started on Monday described the atmosphere in Parliament Square on Thursday night as "lovely" with lots of people singing and dancing as part of the protests. Unlawful behaviour will not be tolerated.
Police officers removed a pink boat from Oxford Circus during Extinction Rebellion protests.
Tory MP Nicholas Soames, the grandson of Sir Winston Churchill, had said: 'Not absolutely convinced that our excellent Metropolitan Police are at present maintaining The Queen's Peace on the streets of London.
A voice from the crowd can be heard saying 'that was out of order!' as officers seem to restrain the protester as he lies on the road. "This means that it takes at least four officers to remove one person to ensure their safety which is resource intensive".
Metropolitan Police Commissioner Cressida Dick said the situation facing officers was "unprecedented".
Mr Marsh said he was confident the protests would be over by tomorrow, claiming that the police "are on top of it" and had enough officers to deal with the situation.
"We are now facing an existential crisis, the climate crisis and ecological crisis which have never been treated as crises before, they have been ignored for decades and for way too long the politicians and the people in power have gotten away with not doing anything".
"They are dealing with very, very passive people, probably quite nice people, who don't want confrontation whatsoever with the police or anyone else but are breaking the law".
He added that before ministers begin dealing with Brexit again, "we must ask them to think about something altogether more pressing: saving our planet".