The High Ambition Coalition
The authors of 1.5C and the net-zero global emissions pathway.
What is the High Ambition Coalition?
“A diverse group, united by a shared goal: ambition.”
— Antonio Guterres, Secretary-General of the United Nations
The High Ambition Coalition (HAC) is a diverse and informal coalition of developed and developing countries from across different negotiating blocs within the United Nations Framework Convention on Climate Change that is committed to advancing progressive and ambitious climate action. The HAC was established in 2015 by the Republic of the Marshall Islands with the aim of ensuring the Paris Agreement, adopted in 2015, was as ambitious as possible. The coalition succeeded in securing the Paris Agreement's most ambitious provisions, including language to pursue efforts to limit temperature rise to 1.5 degrees Celsius above pre-industrial levels and ensure countries’ climate commitments under the Agreement are updated with increasing ambition every five years. The Coalition aims to:
