As he prepares to leave office, President Joe Biden has submitted a new U.S. emissions-reduction target to the U.N., committing the country to cutting its greenhouse gas emissions economywide by 61 to 66% below 2005 levels by 2035.

President Biden and Vice President Harris will not travel to Azerbaijan for COP29, but a group of U.S. mayors, governors and corporate leaders is carrying a message of continued commitment to the goals of the Paris Agreement.

A Climate Action Tracker report says the 2030 NDCs and binding long-term and net-zero targets out of COP26 will only keep temperature rise to 2.1 C.

When COP26 ends this week, countries will have "the capacity to get where we need to go that we’ve never had before," John Kerry said.