Farming cooperative Lantmännen is to purchase fossil-free fertiliser from Yara to sell to farmers in Sweden
Trial in Buckinghamshire confirmed new technology that converts dairy herd waste into fertiliser can slash ammonia and methane emissions
Solid urea fertilisers emit ammonia which can harm both natural habitats and human health
Ammonia and hydrogen are seen as potential alternative fuels that could slash emissions from the shipping industry
New £3m support scheme to help farmers tackle harmful emissions
Defra releases new code of practice for tackling ammonia emissions as part of latest air quality push