Alexandria Ocasio-Cortez’s proposal for a 70 percent tax on earnings above $10m to fund concrete climate action has sparked a lot of indignant replies mainly because of confusion among the critics about what such a policy would actually entail. The top tax rate plan is part of the progressive’s Green New Deal which came forward as a response to the increasing urgency for action against climate change. Here you can find a concise and clear explanation to help you get a better grasp of the Democrat’s tax proposal, and why such policy change is essential to bring about serious action against climate change.