11 Dec 2023 --- As 2023 draws to a close, Packaging Insights looks back at the biggest developments of the year, from the US$20 billion Smurfit WestRock merger and UN Global Plastic Treaty negotiations to the US government’s pledge to replace 90% of plastics with bio-based materials within 20 years. Reducing environmental footprints remained the key trend, but fierce disputes arose around legislation on replacing plastics with fiber and between recyclable and reusable formats.