21 Apr 2023 --- Tomorrow marks Earth Day 2023, an annual global event in which over one billion people and industry stakeholders engage through various environmental sustainability projects to promote awareness and spur climate action initiatives. Packaging brands across the supply chain are using the day to stress the importance of improving circularity in petrochemical, bio- and fiber-based innovation. First held in 1975, Earth Day provides an opportunity for producers and brands to showcase their latest footprint reduction moves, product and system redesigns and policy perspectives.