Air pollution is a global hazard. Majority of the world’s population is affected by air pollution. Contamination of air is no more an only an atmospheric problem but now has become a health concern too. Under the Clean Air Act of 1971, a set of air pollutants are designated as criteria pollutants. These are suspected to be strongly harming the public health and the environment as compared to other primary and secondary pollutants. Globally, this category of air pollutants has been given less attention, only few studies have been reported in this area. This book begins with a short background on criteria air pollutants and their sources, sinks and chemistry. The chapters explore the detailed nature of primary pollutants criteria pollutants such as nitrogen dioxide, sulphur dioxide, carbon monoxide, particulate matter and lead. Their reaction mechanisms, climate change potency, environmental health effects on plants and human life are discussed. The book also covers secondary pollutants such as ozone. The book discusses ozone chemistry and its environmental health effects. This book act as a valuable tool for students in Environmental Science, Biological Science and Agriculture, as well as environmental consultants and professionals involved in air quality research and the application of air quality guidelines and advice.
Air pollution is a global hazard. Majority of the world’s population is affected by air pollution. Contamination of air is no more an only an atmospheric problem but now has become a health concern too. Under the Clean Air Act of 1971, a set of air pollutants are designated as criteria pollutants. These are suspected to be strongly harming the public health and the environment as compared to other primary and secondary pollutants. Globally, this category of air pollutants has been given less attention, only few studies have been reported in this area. This book begins with a short background on criteria air pollutants and their sources, sinks and chemistry. The chapters explore the detailed nature of primary pollutants criteria pollutants such as nitrogen dioxide, sulphur dioxide, carbon monoxide, particulate matter and lead. Their reaction mechanisms, climate change potency, environmental health effects on plants and human life are discussed. The book also covers secondary pollutants such as ozone. The book discusses ozone chemistry and its environmental health effects. This book act as a valuable tool for students in Environmental Science, Biological Science and Agriculture, as well as environmental consultants and professionals involved in air quality research and the application of air quality guidelines and advice.
Untouchable Pasts constructs a history of an untouchable and heretical community over the last two hundred years. The Satnamis of Central India have combined the features of a caste and a sect to question and challenge the tenor of ritual power that variously defines Hinduism. At the same time, within the community, schemes of meaning and power, particularly those centering on gender, have been imbued with ambiguity and a reproduction of forms of inequality. The book presents an interpretive account of Satnami endeavors, encounters, and experiences by combining history and anthropology, archival and field work. It addresses a clutch of theoretical questions and a range of key and inextricably bound analytical relationships in an accessible manner. Issues of caste and untouchability, sect and kinship, myths and pasts are rendered here as part of a wider dynamic between religion and power, gender and community, writing and the constitution of traditions, ritual and the making of modernities, and orality and the construction of histories. Indeed, Untouchable Pasts brings together the perspectives and possibilities defined by three overlapping but distinct theoretical developments that have been elaborated in recent years: first, novel renderings of anthropologies and enthnographies of the historical imagination; second, critically engaged constructions of histories from below, particularly by the collective Subaltern Studies endeavor; and, finally, a conceptual emphasis on the 'everyday' as an arena for the production, negotiation, transaction, and contestations of meanings within wider networks and relationships of power. By casting these analytical tendencies in a critical dialogue with one another, Untouchable Pasts works toward questioning some of those overarching oppositions—for example, between ritual and rationality, myth and history, tradition and modernity, and community and state—that have formed the conceptual core of several inherited traditions of social and political theory within the academy in both Western and non-Western contexts.
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