https://pokemongolive.com/post/friendshipday-grass-2021/?hl=enGuys, I figured it out. If it’s true, Hanke was based the whole time!
>Current Global Research: Battle in 40 mil raids.>Reward: 2x Catch Stardust>”Once Trainers achieve the goal, a timed bonus will activate for all participants and remain active until the next global challenge starts”Assuming there isn’t a global challenge during Sustainability Week, that means we’ll get double stardust for catching Trubbish next week (aka 1.5k per catch)! Wish it was through Friendship day since it seems likely Foongus will spawn, but it’s per global challenge.
