Clinton has praised the international Paris Agreement reached at the 2015 United Nations Climate Change Conference, saying: "The Paris agreement is testament to America's ability to lead the world in building a clean energy future where no one is left out or left behind ... as president, I will make combating climate change a top priority from day one, and secure America's future as the clean energy superpower of the 21st century." Clinton has promised to implement the U.S. commitment to the Paris Agreement.