alisdair keane has been to see the makers of dettol who are trying to assess whether they can make theirinable or not. we use these products every day, from cleaning tabletops to personal hygiene and health. these brands are made by one company, called reckitt, and the industry to get them from factories to our homes is fast moving and comes with a big impact on the planet. not huge, but important that we look at that carbon footprint and think how we will reduce and decarbonise it. the product carbon footprint, that's everything from raw materials all the way through to people using products, has to come down by 50% by 2030. that is a longer process, that is where we have to think not just about our factories but the ingredients we use, the packaging we use. to work out how they can make targets, the company is turning to a digital replica of everything they do through a programme called risilience. this is it, this is the digital twin, this is risilience? this is risilience's version of different companies. we map them as a digital twin. we are looking at the data from a pretend compan