Energy
Wind farm staff receive mass redundancy warning as steel firm announces major restructuring
Staff received letters about the potential restructuring
British energy at risk as experts warn offshore wind farms could become targets of sabotage
Thousands of people work offshore on both renewable technologies and oil and gas in the North Sea
Energy market shock as UAE pulls out of Opec in huge blow to global oil producers' group
Opec members influence the price of oil, impacting the wider global economy
