Niantic turns Pokémon Go green with Sustainability Week 2023, spotlighting eco-themed raids, wild spawns, and rewards that blend catching with conservation.
There are lots of perks that involve your buddy Pokémon. They’ll stay on the map longer after feeding it, earn hearts via walking faster, and bring back gifts more often if you’re at Great or higher with them.
Special Research tasks that reward you with the mythical Pokémon Shaymin also launched alongside this event. You can see all the steps and rewards in our “Grass and Gratitude” Shaymin research guide.
This event also adds the Bounsweet family to the game, as well as shiny forms for the Drilbur family, which you may find if you’re lucky.

Below, we’ve listed out all the perks for Pokémon Go‘s “Sustainability Week” 2023 event.
Sustainability Week 2023 Timed Research and rewards
Complete the Timed Research tasks during Sustainability Week 2023 to earn encounters with Frillish and special rewards like Stardust, Candy, and an exclusive pose. Tasks span multiple steps focused on catching Pokémon, spinning PokéStops, and making friends, with choices leading to different final rewards such as Spritzee or Swirlix. Finish all steps before the event ends on April 24 to claim everything available.
Step 1 of 4
- Use 4 berries to help catch Pokémon (Drilbur encounter)
- Feed your buddy 5 times (5 Pinap Berries)
- Take 5 snapshots of your buddy (Trubbish encounter)
Rewards: 1,000 XP, 500 Stardust, 1 Star Piece
Step 2 of 4
- Use 7 berries to help catch Pokémon (Trubbish encounter)
- Earn 5 hearts with your buddy (10 Nanab Berries)
- Play with your buddy (Bounsweet encounter)
Rewards: 1,500 XP, 1,000 Stardust, 1 Incense
Step 3 of 4
- Use 9 berries to help catch Pokémon (Drilbur encounter)
- Earn 2 candies exploring with your buddy (Grimer encounter)
- Use an Incense (Bounsweet encounter)
Rewards: 2,000 XP, 1,500 Stardust, 10 Razz Berries
Step 4 of 4
- Use 5 berries to help catch Pokémon (Binacle encounter)
- Earn 3 candies exploring with your buddy (Drilbur encounter)
- Receive a souvenir from your buddy (Bounsweet encounter)
Rewards: 2,000 XP, 2,000 Stardust, 15 Ultra Balls
Pokémon Go Sustainability Week 2023 event Field Research and rewards
Field Research tasks during Pokémon Go’s Sustainability Week 2023 focused on eco-themed activities such as walking, spinning PokéStops, and catching specific Pokémon. Completing these tasks rewarded players with encounters featuring environmentally themed Pokémon like Drillbur, Trubbish, and the debut of shiny Drilbur. Additional rewards included Stardust, Poké Balls, and Berries, encouraging active participation while promoting environmental awareness within the game’s event framework.
Task |
Reward |
|---|---|
| Catch 3 ground-type Pokémon | Drilbur encounter |
| Catch 5 rock-type Pokémon | 2 Pinap Berries |
| Catch 5 water-type Pokémon | 3 Razz Berries |
| Feed your buddy 3 times | Drilbur encounter |
| Use 5 berries to help catch Pokémon | Drilbur encounter |
Increased Pokémon spawns for Sustainability Week 2023
Players catch more Pokémon during Sustainability Week 2023 thanks to boosted spawn rates. Niantic ramps up appearances of Grass- and Bug-type species, including rare shiny chances for Pokémon like Combee, Flabébé, and Scatterbug. This setup fills neighborhoods with extra encounters from February 3 to 9, giving trainers ample opportunities to join the eco-focused event.
- Squirtle
- Shellder
- Larvitar
- Wailmer
- Drilbur
- Cottonee
- Petilil
- Dwebble
- Foongus
- Froakie
- Binacle
- Bounsweet
7 km egg hatches for Sustainability Week 2023
During Sustainability Week 2023, 7 km Eggs offered players special Pokémon tied to the event’s eco-friendly theme. Hatching from these Eggs gave participants a chance to obtain creatures such as Drilbur, Larvitar, and Froakie-species symbolizing nature, growth, and renewal. This rotation encouraged walking and activity, aligning perfectly with the event’s focus on real-world environmental awareness and sustainable habits.
- Cherubi
- Drilbur
- Bounsweet
What are all wild spawns in Sustainability Week 2023
Pokémon Go Sustainability Week 2023 featured boosted wild spawns of specific Pokémon from April 20 to April 26, with some rarer encounters possible for lucky players.
Common Wild Spawns
These Pokémon appeared more frequently across the map:
-
Squirtle
-
Shellder
-
Wailmer
-
Drilbur (Shiny debut)
-
Cottonee
-
Petilil
-
Dwebble
-
Foongus
-
Froakie
Rare Wild Encounters
These had lower spawn rates but were possible:
-
Larvitar
-
Binacle
-
Bounsweet (event debut)
Asterisks in sources often note shiny eligibility, especially for Drilbur as the new release.
Which wild spawns had Shiny debuts
Drilbur was the only wild spawn with a Shiny debut during Pokémon Go’s Sustainability Week 2023.
Debut Details
Drilbur’s Shiny form first appeared in wild encounters from April 20 to April 26, boosting hunt opportunities alongside its common spawns.
No other wild Pokémon-like Bounsweet, Cottonee, or Trubbish-received their Shiny debuts during this event; their Shiny forms were already available.
