Conor Spackman investigates how Northern Ireland can handle wetter weather and extreme floods resulting from climate change.

As Troubles inquests are shut down, Mandy McAuley investigates why the government stepped in to stop the release of information about the involvement of state agents in several murders by Mid-Ulster UVF. Testimony from inside the gang raises new questions about the role of state agents.

The unsolved murder of Darren Bradshaw, a police officer shot in a ground-breaking gay bar. Jordan Dunbar investigates how DJs, drag queens and dancers fought back against hate.

Thirty years after they declared ceasefires, the UVF replaces its leadership in east Belfast. Are loyalist groups moving away from paramilitarism? Conor Spackman investigates.

Secret killer and super-spy: the Stakeknife inquiry leads Peter Taylor to revisit the brutal covert war between Britain and the IRA. Chilling tapes and victims reflect the horror.

The hidden trap of drugs debt. Mandy McAuley investigates what happens when drug users can't pay for what they take. She learns that dealers are forcing some, including teenagers, into sex or running drugs to pay off what they owe.