Preventing Waste in Europe – Progress and Challenges, With a Focus on Food Waste Waste prevention is central to the circular economy and plays a critical role in addressing climate change, biodiversity loss and pollution. It helps reduce resource extraction, manufacturing and transportation, and lowers carbon emissions. Because of this, waste prevention protects natural ecosystems and enhances the EU′s strategic autonomy and materials supply security. This report gives the latest bi-annual check-up on waste prevention actions via data and trends, in support of EU’s Waste Framework Directive.