Sustainability Week 2022

Sustainability Week in 2022 was the fourth Earth Day event in Pokémon GO.

Featured Pokémon
The following Pokémon were released with the start of the event:

These Shiny Pokémon were released with the start of the event: PS Cherubi PS Cherrim PS Cherrim

Themed Pokémon had increased spawn rates in the wild and from Incense or Lure Modules:

The following Pokémon had increased spawn rates around Mossy Lure Modules:

7-km Pokémon Eggs obtained during the event would hatch more of these Pokémon:

Timed Research
During this event, on April at 10 a.m. to 8 p.m. there was a Timed Research series that was titled Sustainability Week 2022 in game. Every Trainer who finishes the research, Niantic will plant one tree (up to 100,000 trees).