Analytical chemistry 6 Pollution & threats to the environment 3 Agricultural science 2 Environmental monitoring 2 Aerospace & aviation technology 1 Archaeological science, methodology & techniques 1 Biochemistry 1 Biogeography 1 Biology, life sciences 1 Ceramics & glass technology 1 Conservation of the environment 1 Conservation, restoration & care of artworks 1 Earth sciences 1 Ecological science, the Biosphere 1 Environmental economics 1 Environmental science, engineering & technology 1 Forestry & silviculture: practice & techniques 1 Geochemistry 1 Human geography 1 Hydrology & the hydrosphere 1 Industrial applications of scientific research & technological innovation 1 Inorganic chemistry 1 Life sciences: general issues 1 Limnology (freshwater) 1 Materials science 1 Medical research 1 Meteorology & climatology 1 Museology & heritage studies 1 Production engineering 1 Radiology 1