World leaders are gathering in Azerbaijan for the COP29 Climate Conference to reign in carbon emissions and the burning of fossil fuels. NBC News’ Maura Barrett reports on who is attending the meeting and why there could be tension between certain leaders.

COP29, this year's biggest environmental conference, is now underway. Here is how leaders from around the world are coming together to advance global climate efforts.

With a climate-denialist re-elected as US president and another petrostate host (following Dubai in 2023)—hopes for ambitious outcomes at the 29th UN Climate Change "Conference of the Parties" (COP29) in Baku,

"However, we cannot forget the fact that the current climate situation of the world is the result of the industrial policies of (a) few developed countries and developing states shall not be deprived of their right to development because of what others have done.