Plastic: The gateway to our meta-crisis

Abstract Plastic pollution represents far more than an environmental crisis—it serves as the gateway to a global meta-crisis encompassing climate change, hyper-consumption, biodiversity loss, and profound threats to human health. This letter examines plastic’s role as both catalyst and symptom of unsustainable global systems, arguing that addressing the plastic crisis provides a roadmap for broader systemic transformation. Since mass production began in the 1950s, humanity has produced over 10 billion tonnes of plastic, with annual waste now reaching 400 million metric tonnes. Production is forecast to triple within 25 years, consuming one-fifth of the global carbon budget, with 90% of emissions occurring during production. Plastics now permeate the human body. Over 16,000 chemicals are potentially present in plastics, with only 6% globally regulated. Recent research estimates 13% of cardiovascular deaths in individuals aged 55–64 are attributable to phthalates, while microplastics accelerate cancer development. Solutions require comprehensive legislative frameworks creating financial risk and accountability. The Health Scientists’ Global Plastics Treaty, produced by the Plastic Health Council, proposes a roadmap to change, with measures such as a 70% reduction in virgin plastic production by 2040 and elimination of chemicals of concern. Ultimately, the plastic crisis offers humanity a tangible challenge that could catalyse essential systemic change toward regenerative systems working within planetary boundaries.