Climate change is already making people hungry, and the use of fossil fuels is largely to blame, representing the single biggest source of greenhouse gas emissions globally. On current trends, the world will be 4–6ºC hotter by the end of the century, exceeding 2ºC within the lifetimes of most people reading this report. This could put up to 400 million people in some of the poorest countries at risk of severe food and water shortages by the middle of the century. This paper shows how, despite some steps in the right direction to tackle climate change, a “toxic triangle” of political inertia, financial short-termism and vested fossil fuel interests is blocking the transition that is needed.