Holding billionaires and fossil fuel giants accountable can raise billions by for their outsized impact on the planet. These funds can be used both for domestic policies and programs and for international climate finance, ensuring that those most responsible for the climate crisis contribute to its solution. By making the ultra-wealthy pay their fair share, the Tax Their Billions campaign aims to unlock funding that will not only speed up the transition to clean energy but also support the communities most impacted by cost of living crisies in Europe and by the climate crisis in the Global South