The United Nations Climate Change Conferences are yearly conferences held in the framework of the United Nations Framework Convention on Climate Change

the production and discharge of something, especially gas or radiation

a combustible black or dark brown rock that is used as fuel

acidic waters that are generated through the absorption of harmful gases into the clouds and the rain that falls as a result

Nationally determined contributions (NDCs) are what each country that participates in the Paris Agreement states their economy will emit; this should be a low number