London activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth arrested over 1,000 protestors activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth week for bringing the city's busiest activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth to a activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth . Protestors blocked bridges and roads. They are activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth of the Extinction Rebellion - a activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth focused on getting the UK to call climate change a global activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth . It has three demands: for the government to "tell the activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth about climate change"; to cut carbon activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth to zero by 2025; and to create a citizens' activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth . Sweden's 16-year-old activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth and Nobel Peace Prize activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth Greta Thunberg talked to the UK's political parties. She told activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth that the future of the world's activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth had been "sold so that a small activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth of people can make unimaginable activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth of money". She said they didn't listen to the activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth because they only want to "carry on as if activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth has happened". One Extinction Rebellion activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth said: "Civil disobedience [shows] this is an activist amounts areas assembly children emergency emissions last movement nominee nothing number part police science standstill supporter them truth ."