What can you catch during Sustainability Week?

Sustainability Week is the latest event in Pokémon Go and is inspired by the need to safeguard our environment.

During this week, you’ll be able to complete the Sustainability Week research quest, while also completing exclusive field research tasks to earn encounters with Pokémon connected to the environment.

This event also sees the release of two Gen 6 Pokémon – Binacle and Barbaracle – into Pokémon Go.

On this page:

Binacle in Pokémon Go preview

‘Sustainability Week’ quest steps in Pokémon Go

Below lies all the challenges and rewards for the Sustainability Week research quest. This section does contain spoilers though, so, if you want to remain surprised, we recommend skipping it.

The Sustainability Week research quest is a timed research quest, which means you must complete it before the week ends if you wish to collect all of the rewards.

Thank you to Amiibofan101 from reddit for the help with this information!

‘Sustainability Week’ Step 1 of 3

  • Use 5 Berries to help catch Pokémon – Oddish encounter
  • Catch 7 Water-type Pokémon – Goldeen encounter
  • Catch 7 Pokémon with Weather Boost – Bellsprout encounter

Rewards: 1000 XP, 20 Mega Venusaur Energy and a Turtwig encounter

‘Sustainability Week’ Step 2 of 3

  • Use 5 Berries to help catch Pokémon – Tangela encounter
  • Catch 5 different species of Grass-type Pokémon – Ferroseed encounter
  • Send 5 Gifts to friends – Phanpy encounter

Rewards: 1500 XP, 20 Mega Venusaur Energy and a Grotle encounter

‘Sustainability Week’ Step 3 of 3

  • Use 7 Berries to help catch Pokémon – Sunny Cherrim encounter
  • Catch 40 Grass-type Pokémon – Alolan Diglett encounter
  • Use an Incense – Binacle encounter

Rewards: 2500 XP, 60 Mega Venusaur Energy and a Venusaur encounter

Field research tasks and everything you need to know about Sustainability Week in Pokémon Go

Throughout Sustainability Week in Pokémon Go, you’ll be able to collect a variety of exclusive field research tasks by spinning PokéStops. These tasks can be kept and completed once the event ends, but you’ll only be able to find them during Sustainability Week itself.

Here are the Sustainability Week field research tasks and their rewards:

  • Catch 5 Grimer reward – Spheal or Ducklett encounter
  • Use 3 Golden Razz Berries to help catch Pokémon reward – Binacle encounter
  • Use 5 Berries to catch Pokémon reward – Chespin encounter
  • Catch 5 Trubbish reward – Cottonee encounter
  • Use an Incense reward – Sewaddle encounter
  • AR scan reward – 80 Mega Venusaur Energy, Ferroseed or Burmy encounter

Thank you to SilphScience from reddit for the help with this information!

Aside from the research quest and tasks, the focal point of Sustainability Week is the release of Binacle and, it’s evolution, Barbaracle. Despite having, in this author’s opinion, awful designs, these two Pokémon are the latest Gen 6 releases, so you’ll want to catch them for your Kalos Pokédex.

Binacle and Barbacle can now be added to your Pokédex!

Alongside Binacle, the following Pokémon have been given boosted spawns during the event:

  • Seel
  • Grimer
  • Sunkern
  • Phanpy
  • Grotle
  • Drilbur
  • Trubbish
  • Ferroseed
  • Binacle

If you’re lucky, you might even find a shiny Trubbish!

The pool for 5km eggs has also been altered for Sustainability Week, with the following Pokémon being hatchable from any 5km egg you collect during the event:


Tier 1:

Tier 2:

Tier 3:

Finally, as always, there will be a new range of Pokémon in raids, including Therian Landorus in five-star raids, while Mega Venusaur, Abomasnow and Lopunny will all be available in Mega Raids.

The Season of Legends is here! The latest events include the Great League Remix and Sustainability Week, the latter seeing the debut of Binacle and Barbaracle. With it comes a level cap increase – including the addition of XL Candy, the Legacy 40 Challenge quest and boosts to some XP sources – Platinum Medals, the arrival of Gen 6 Pokémon such as Espurr and changes to the Go Battle League

We’ve recently seen the addition of ‘Strange’ red eggs and new Arlo, Cliff, Sierra and Giovanni line-ups.

Sustainability Week dates and time in Pokémon Go

Pokémon Go’s Sustainability Week is in partnership with the Niantic Sustainability Campaign and is themed around protecting the environment, because global warming is real.

Both the timed research quest and exclusive Sustainability Week field research quests are only available during this specific event, which runs from Tuesday, 20th April at 10am (local time) to Sunday, 25th April at 8pm (local time).


The Sustainability Week research quest is constructed out of three steps, which each contain three individual challenges. You’ll be rewarded for each challenge and overall quest steps you complete, but, since this is a timed research quest, you’ll need to complete the research before the event ends if you want to earn every reward.

Enjoy Sustainability Week and don’t litter!

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