The 1999 Gothenburg Protocol to Abate Acidification Eutrophication and Ground-level Ozone Subject – Environment Context – Rising ammonia levels in West Africa linked to biomass burning Concept – The Protocol sets national emission ceilings for 2010 up to 2020 for four pollutants: sulphur (SO2), nitrogen oxides (NOx), volatile organic compounds (VOCs) and ammonia […]