Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report Core Themes and Structure
Use the 5th edition for foundational theory. Supplement it with the IPCC AR6 (2021-2023) for current data.
If you are comparing older PDFs (3rd or 4th editions) to the 5th, here is what Houghton fundamentally updated:
Width
Height
Video bit rate (kbit/s)
Frame rate
Playback speed
Parallelize encoding
BT.709 color (slower)
Include audio
Audio bit rate (kbit/s)
Music-to-sound volume
1:1