About Extinction Rebellion
The main public-facing site for Extinction Rebellion in the United Kingdom is https://extinctionrebellion.uk/. This has information and resources for rebels as well as the general public: look under https://extinctionrebellion.uk/act-now/resources/.
The global site is at https://rebellion.global/.
We encourage everyone in the UK to sign up to the Communications Hub, which gives you access to Mattermost (announcements and questions), forum (discussions) and cloud storage (online documents) facilities to communicate with other rebels. For security reasons, you can't just sign yourself up -- you need to contact a Tech Champion in your Local Group or Community Group. To contact a Local Group or Community Group, look at the https://extinctionrebellion.uk/ web site.