The environmental group said it would be focusing on the capital’s financial district and institutions which it says are helping to fuel climate change.
Thousands of XR members are expected to take part in the “Impossible Rebellion” disruptive campaign which will involve site occupations and marches.
The group has said there are no plans to disrupt public transport.
Here are where they will be over the next fortnight...
Monday August 23
10am – Trafalgar Square: Demonstrators marched from St James’ Park banging drums and blowing whistles. A marching band was booked to block Trafalgar Square and a giant pink table set up near Leicester Square. Londoners are invited to “come to the table” and discuss climate change.
Tuesday August 24
10am – St James Park: XR Cymru Action Protesters are set to meet near Cafe at Storey’s Gate, St James Park
11am - Tooley Street, London Bridge: A ‘make pensions green’ event aimed at encouraging pension funds to stop investing in oil and gas
4.30pm – Cavendish Square Gardens: Code Red For Fossil Fuel Fashion meet up
Wednesday August 25
10am – Brazilian Embassy: A global protest for “Indigenous Peoples of the Amazon Rainforest”
11.30am – Piccadilly Circus: Courage Calls To Courage: Women and FINT Rebellion Action
Friday August 27
12pm – Bank of England: “Blood money march” hosted by Decolonise the Economy
Saturday August 28
12.30pm – Smithfield Market: An animal rights march led by Animal Rebellion
12pm – Brixton Market: ‘Crisis’ rally
Sunday August 29
11.30am – Ducketts Common, Haringey: ‘Carnival for Climate Justice’ hosted by Extinction Rebellion Haringey
Sunday 29 to Monday August 30
West London - Imagine the impossible rally, which is being held in a secret location in west London. XR said scientists, doctors, families and educators will be discussing a greener world at the 48 hour event. Attendees have to join the group’s Telegram chat updates on the location
Monday August 30 to Friday August The group said it will continue with its occupations and protests at various locations across the city “building pressure across the week to a finale”.
Saturday September 4
Nature Rebellion March and after party. Dates and locations have not yet been announced.