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
Carol Morse claimed her 12-year-old son Ryan dropped to just four stone but doctors failed to act, Cardiff Crown Court hears.
Mark Prosser stabbed Billy Moore - a friend who had previously saved his life.
ITV News can reveal the number of potential buyers for Tata's steel business in the UK is more than double the previously known total.