A record 171 countries are set sign the Paris climate agreement on Friday marking the largest number of countries ever signing an international agreement in a single day, UN Secretary General Ban Ki-moon says.
"This is history in the making," Ban says. "We are breaking records in this chamber, and that is good news."
Ban says 15 countries, mostly small-island nations, will also deposit their instruments of ratification at the United Nations, certifying that they have put the Paris agreement into their national legislation.
"As you show by the very act of signing today, the power to build a better world is in your hands," Ban says.