Your article claims that nutrient neutrality “has halted development across a swath of England” (Wetlands protection law delays building of new homes in England, 2 May). Nutrient neutrality is not about stopping developments – it’s about ensuring any new development does not make nutrient pollution worse in those areas where there is already a longstanding and serious water pollution problem. This difficult measure is now necessary to protect fragile freshwater habitats and wildlife because the problems have been allowed to build up. We want to support planning authorities and developers to build sustainable new homes and contribute to healthy rivers and seas. In partnership with the government, we are working with the affected authorities to implement measures so home building can continue. Tony Juniper Chair, Natural England Have an opinion on anything you’ve read in the Guardian today? Please email us your letter and it will be considered for publication.