Tonight, Wales This Week investigates a crime that is largely without an obvious victim, but it’s one that is committed every 15 minutes here in Wales.
Councils spend millions of pounds cleaning up illegally-dumped waste, but the cost to the environment can be even more alarming. Now, enforcement officers are closing in on fly tippers, using the latest technology and sharing intelligence to catch them in the act.
Watch Wales This Week, 'Grot on the Landscape' tonight at 8 on ITV Cymru Wales
More top news
More than 3,000 fewer people died from the effects of stroke between 2010 and 2012 compared to a decade earlier, according to a new report.
It's a cold start, with mist lifting later. Here's the latest weather forecast for Wales.
The White Ribbon Campaign, founded by men, is a global movement working to end violence towards women.