Global Challenge

Professor Willow's Global Challenge (also mentioned as Global Research) is a season-long event themed around particular goals and milestones during the summer of 2018, including: Pokémon GO Safari Zone in Dortmund, Germany; GO Fest 2018; and Safari Zone in Yokosuka, Japan.

Features
During the events there are "Global Research tasks" for player community with established amount of Research Tasks to be done by players in specific regions. For completing each "Global Research task" there are special bonus rewards that will be available worldwide.

The first bonus reward that was unlocked is Articuno Day. On July 7, 2018, Trainers worldwide will be given five free Raid Passes when they spin a Photo Disc at a Gym. On Saturday, July 7, Articuno will be available in Raid Battles around the world for a three-hour period. There will also be a chance to capture its shiny form.

Trivia

 * This event is similar to the Global Catch Challenge, but instead on one set of goals—there are three.
 * The Pokémon GO Travel logo for this year features Celebi.