New Delhi, June 20 -- The world's most developed economies have also burnt the most oil and coal (fossil fuels) over the years, causing the most climate change damage. Preventing further climate change means a global fossil fuel phase-out must happen by 2050. Climate change mitigation scientists Sven Teske and Saori Miyake analysed the potential for renewable energy in each of the G20 countries. They concluded that the G20 is in a position to generate enough renewable energy to supply the world. For African countries to benefit, they must adopt long term renewable energy plans and policies and secure finance from G20 countries to set up renewable energy systems.

Why is the G20 so important in efforts to limit global warming? The G20 grou...