ammonia
Government launches consultation on fertiliser's role in air pollution and soil degradation
Solid urea fertilisers emit ammonia which can harm both natural habitats and human health
Fleet of top firms launch project to design ammonia-fuelled ship
Ammonia and hydrogen are seen as potential alternative fuels that could slash emissions from the shipping industry
Government to fund ammonia emissions-busting farming taskforce
New £3m support scheme to help farmers tackle harmful emissions
Clean Air Strategy: Government publishes farming air quality guide
Defra releases new code of practice for tackling ammonia emissions as part of latest air quality push