The world is entering a new Age of Catastrophe. The exceptional is becoming normal. The last such crisis, between 1914 and 1945, witnessed two World Wars, the Great Depression, and the Holocaust. Now humankind faces fresh existential threats - the COVID-19 pandemic, wildfires, floods, and other extreme weather events caused by accelerating climate change, and the danger of nuclear war in the wake of Russia's invasion of Ukraine. These threats, argues Alex Callinicos, have their common source in a multidimensional crisis of the capitalist system, which is hitting the buffers, hurling us towards societal collapse. It embraces the increasing destruction of nature and the degradation of