The document discusses sustainability, renewable energy, energy access, and climate change as priorities for the C20 Turkey working group. It provides background on the challenges of energy access and investment in renewables. It also summarizes the G20's existing commitments related to sustainability, energy and climate change. However, it notes the G20 could strengthen its leadership and ambition in areas like climate finance. The Turkish G20 Presidency has placed renewable energy and climate finance on the 2015 agenda.