An hour of online video emits between 36 and 64 gCO2e according to 3 public references, which do not count the same things and none of which measures TikTok. On a phone over Wi-Fi, Greenspector puts TikTok use in 2023 at 0.96 g per minute, or 58 g per hour (our conversion). Our calculation with the ADEME model ranges from 36 g (0.7 GB per hour, on Wi-Fi) to 104 g (3 GB per hour, on the mobile network), phone manufacturing included; where it matches some of these values, that is a coincidence.
Read the source article: TikTok carbon footprint: 36 to 64 gCO2e per hour of video