Indoor pollution global Extensive overview (scientific summary paper) of estimated burdens through indoor air pollution world wide, with graphs and tables.
Indoor air pollution, energy and health Report of the World Health Organisation on the relation of indoor air pollution, energy and health with a focus on developing countries.
Nitrogen oxides
Modeling lightning and ozone formation Scientific paper introducing the relation of lightning, nitrogen oxides and ozone formation and showing modelled maps of the global distribution. (NASA)