CO2
Carbon Dioxide

GHG
Greenhouse Gases

IPCC
Intergovernmental Panel on Climate Change

UNFCCC
United Nations Framework Convention on Climate Change

NDC
Nationally Determined Contribution

CDR
Carbon Dioxide Removal

CCS
Carbon Capture and Storage

ETS
Emissions Trading System

SRES
Special Report on Emissions Scenarios

LULUCF
Land Use, Land Use Change, and Forestry

RCP
Representative Concentration Pathway

AOGCM
Atmosphere-Ocean General Circulation Model

CMIP
Coupled Model Intercomparison Project

DRO
Drought Risk Outlook

IPBES
Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services

SDG
Sustainable Development Goals

WMO
World Meteorological Organization

FAO
Food and Agriculture Organization

NASA
National Aeronautics and Space Administration (often involved in climate research)

NOAA
National Oceanic and Atmospheric Administration

UNEP
United Nations Environment Programme

COP
Conference of the Parties

AFOLU
Agriculture, Forestry, and Other Land Use

VCS
Verified Carbon Standard

ISO
International Organization for Standardization (related to environmental management)

EIA
Environmental Impact Assessment