Achieving the Paris Agreement Long-term temperature goal (PA LTTG) requires closing the 2030 ambition and action gap between emissions levels consistent with the Paris Agreement and emissions levels projected with current targets and policies. G20 countries have a crucial role to play in...

At the conclusion of the Paris conference, this paper provides a review of the history of international negotiations on global warming for the past three decades with an emphasis on details of Paris agreements. Founding documents of the Intergovernmental Panel on Climate Change (IPCC) and the...