19:00Mark ForrestNoisy 999 sirens, bird safe wind farms and Chris Packham on AutumnwatchBBC Local Radio Duration: 3 hours Tue 18th Oct 2016, 19:00 on BBC Radio MerseysideDo sirens make cities sound "lawless"? Making wind farms bird-safe and Chris Packham talks Autumnwatch.GenresEntertainmentBrandMark Forrest Source: BBC Online