The Environment Agency are objecting to plans to build the country's largest dairy because they believe it would pose an unacceptable risk of polluting water to 170,000 people. Nocton Dairies in Lincolnshire are planning on housing a herd of almost four thousand cows. The Environment Agency tells Anna Hill that if something were to go wrong on the site it could cause serious pollution problems. Also, following the 2008 contamination of pork from Northern Ireland, a new report says that farmers need to take more responsibility for what they feed their animals. And, a chartered surveyor believes that water could one day end up being worth more than land. Hugh Fell has created a formula to value water as a business asset. Presented by Anna Hill and produced Emma Weatherill.