Few phenomena inspire more awe than lightning. Streaking across the sky, it daunts us with its power and amazes us with its beauty. In Lightning, Derek M. Elsom explores this natural phenomenon and traces the long history of our study of it. From early civilizations’ assumptions that it was the work of gods, through eighteenth-century scientific analyses (and, yes, Ben Franklin’s kite), Elsom tells about our efforts to understand and explain lightning. He explores the many surprising folklore beliefs about lightning protection and contrasts these with today's scientific approaches. Alongside scientific explorations, he also tracks the path of lightning through our culture, from myths and legends to art and design. In addition, Elsom offers handy tips for avoiding getting struck by lightning. Beautifully illustrated with stunning photographs and artistic renderings, this striking book will appeal equally to weather buffs and folklorists, scientists and artists.
Few phenomena inspire more awe than lightning. Streaking across the sky, it daunts us with its power and amazes us with its beauty. In Lightning, Derek M. Elsom explores this natural phenomenon and traces the long history of our study of it. From early civilizations’ assumptions that it was the work of gods, through eighteenth-century scientific analyses (and, yes, Ben Franklin’s kite), Elsom tells about our efforts to understand and explain lightning. He explores the many surprising folklore beliefs about lightning protection and contrasts these with today's scientific approaches. Alongside scientific explorations, he also tracks the path of lightning through our culture, from myths and legends to art and design. In addition, Elsom offers handy tips for avoiding getting struck by lightning. Beautifully illustrated with stunning photographs and artistic renderings, this striking book will appeal equally to weather buffs and folklorists, scientists and artists.
The world's cities are choking on pollution from traffic and industry. With the health of over 1.6 billion people under threat, poor urban air quality is fast becoming one of them most pressing environmental problems of our times. Smog Alert examines the causes and scale of urban air pollution, identifying who is most at risk, and what particular health risks various pollutants pose. It then considers an effective framework for air quality management, so that national and city authorities can consider what pollution control polices and measures are needed to deliver healthy urban air quality, and to sustain it in the future. Having established the background and framework, the book examines the existing and alternative measures to monitor and combat the declining air quality. It assesses smog alert systems; the potential for cleaner car and fuel technology; sustainable traffic management and public transport policies; and methods of controlling both industrial and residential emissions. Detailed case studies illustrate the severity and breadth of the problem - from the first serious photochemical smogs in Los Angeles to the dire warning offered by Mexico City; and from London (the city which coined the word 'smog') to Athens' pollution phenomenon, the 'nefos'. Drawing on the lessons learned from past experience, Smog Alert provides a comprehensive analysis of how health air quality may yet be achieved in the world's cities.
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