Averting Climate Catastrophe: Environmental Activism, Extinction Rebellion and coalitions of Influence

In 2018 the Intergovernmental Panel on Climate Change (IPCC) warned that humanity 12 years to take radical action to avert an eco-catastrophe. Accordingly, there a brief window of opportunity within which to act, and to do so with such , commitment and ambition as to transform the global economy radically and from high to net zero carbon emissions. But how might such a fundamental be brought about? What forms of climate governance will be necessary to that outcome, and what climate actors, or networks of actors, must be involved?