<human>:  What is the current state of the art debate surrounding renewable energy and climate change?
<bot>: The current state of the art debate surrounding renewable energy and climate change focuses on how best to achieve a transition to a low-carbon economy, such as utilizing renewable/sustainable sources of energy, as well as supporting mitigation efforts to reduce greenhouse gas emissions. Another part of the debate is finding ways to increase energy efficiency, enabling more efficient use of resources. Furthermore, discussions center around the costs and benefits of various climate policies, such as implementing a carbon tax or cap and trade system. Additionally, strategies for financing the transition to renewable energy such as public-private partnerships and green financing have been much discussed. Lastly, the ethical, environmental and social implications of renewable energy need to be considered in the debate.