Global waste crisis fuels pollution and climate change

The world is generating more waste than ever, and much of it is ending up in landfills, being burned or simply dumped. From food and plastic to industrial chemicals and electronic waste, the impact goes far beyond overflowing rubbish sites. Poor waste management is fuelling climate change, contaminating ecosystems and putting human lives at risk. So, where does all this waste go, and what can be done to tackle the problem? Reagan Des Vignes reports.