内容摘要："I didn't realise what I was signing up for," he joked.

"I didn't realise what I was signing up for," he joked.

He also said he realised, after filming the first series, that it was the first time he had done "serious acting".He described the experience as "emotional and a little bit serious and a little bit dramatic".

The latest series came about because everywhere he went people asked him when there would be more episodes, he said, adding: "We had to make some closure for the fans."Now he plans to spend more time at home with his wife and five children, to "stay at home and just be a dad"."Five kids is a lot of kids. I love them. We have a laugh, but it's a lot of work," he said.

Thames Water, Yorkshire Water and Northumbrian Water face £168m fines by the industry regulator over historic sewage spills.The proposal will now go to public consultation and is part of Ofwat's largest ever investigation into water company performance.

The announcement comes amid growing public anger over the environmental and financial performance of some water companies.

Sewage spills into England's rivers and seasIn the UK, SAF is mainly made from cooking oil, some of which is shipped from Asia, and shipping is responsible for 2% of global CO2 emissions.

Alternative methods of creating SAF require large quantities of electricity as part of the manufacturing process. This would involve a vast amount of renewable energy to make it sustainable."It's very hard, to think there is such a thing as a sustainable aviation fuel,” says Sir Dieter Helm. “There are aviation fuels that are less polluting than the ones being used at the moment, and you can use elements of biofuel and chip fat and so on.

"Think about the scale that's required to do it.”There is another more unexpected way that airlines could reduce emissions. That is, making their flight paths more direct to reduce fuel consumption.