As explained by the National Aeronautics and Space Administration, ozone is a gas made up of three oxygen atoms (O3) that occurs naturally in the upper atmosphere -- called the stratosphere and at 10-50 kilometres altitude. In the lower atmosphere (the troposphere) near the Earth’s surface, ozone is created by chemical reactions between air pollutants […]
Industrialisation is social and economic change that transforms a human group from an agrarian to an industrial society through economic reorganisation for the purpose of manufacturing. The key factors for industrialisation are: (1) natural resources and raw materials that can become goods; (2) capital to pay for the production of goods and stable currency; (3) […]
The International Civil Aviation network carries over four billion passengers annually (120,000 flights and 12 million passengers a day), supports 65.5 million jobs and contributes US$2.7 trillion to the global economy. International Civil Aviation Day is to recognise the contribution of international civil aviation to global social and economic development and to acknowledge the work […]