The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS
Air power -- 20th century -- History -- Congresses. : The war in the air, 1914-1994 : the proceedings of a conference held by the Royal Australian Air Force in Canberra, March 1994 / edited by Alan Stephens
Air power -- Australia -- Congresses. : The future of tactical airpower in the defence of Australia : proceedings of a conference organised by the Strategic and Defence Studies Centre, the Australian National University, November 1976 / edited by Desmond Ball
Air power -- Middle East : The Use of Strategic Bombing against Non-State Actors in the Middle East. Objectives and Limitations of Air Power in the Cases of Hezbollah, Houthis and ISIS
Air power -- Russia (Federation) : Russian security and air power, 1992-2002 : the development of Russian security thinking under Yeltsin and Putin and its consequences for the air forces / Marcel de Haas
Air power -- Study and teaching : Educating air forces : global perspectives on airpower learning / edited by Randall Wakelam, David Varey, Emanuele Sica
2020
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Air power -- Taiwan : Taiwan's security and air power : Taiwan's defense against the air threat from Mainland China / edited by Martin Edmonds and Michael M. Tsai
