Which of the biggest polluting countries aren’t doing enough

Which of the biggest polluting countries aren’t doing enough to tackle the climate crisis? The Climate Change Performance Index ranks countries according to their efforts to mitigate climate change. It looks at greenhouse gas emissions, energy use, and renewable energy schemes, of the world’s largest emitters - that’s 59 countries and the EU. Denmark, Sweden, and Chile topped the list with Iran, Saudi Arabia, and Kazakhstan at the bottom.