To celebrate Earth Day and engage with plein-air enthusiasts across the globe, Warrior Painters initiated the #PleinAirpril Challenge in 2017. The #PleinAirpril Challenge is a social media campaign that challenges artists and painting enthusiasts to paint and share one plein-air painting a day during the month of April. Over the past 9 years, thousands of artists worldwide have participated in the challenge! Explore the #PleinAirpril hashtag on Instagram or Cara.