a) Hydrology other than agricultural hydrology is included in Group 3707 Hydrology. b) Environmental sciences is included in Division 41 Environmental sciences. c) Agricultural hydrology is included in Group 3002 Agriculture, land and farm management. d) Protection of infrastructure from climate change and other environmental factors
is included in Group 4005 Civil engineering. e) Environmental biotechnology, including bioremediation, is included in Group 4103
Environmental biotechnology.