What is Packaging most researched topics?

1. Consumer Behaviour (Efficiency, packaging, design) 2. Enviromental Pollution (Emissions, CO2, reduction) 3. Circular Economy (Circular economy, food waste, resource, energy) 4. Waste Management (Plastic, logistics, packaging systems, crate boxes) 5. Resource Conservation (Distribution, life cycle assessment) 6. Operational management (Design, performance, reverse logistic, recycling)