C1.3 What choices can we make personally, locally, nationally or globally to improve air quality? Motor vehicles and power stations that burn fossil fuels are two major sources of atmospheric pollution, so we need to look at how emissions from these sources can be...
C1.2 What chemical reactions produce air pollutants? What happens to these pollutants in the atmosphere? Many atmospheric pollutants are made by the burning of fossil fuels. This happens in power stations and in the engines of vehicles. POWER STATIONS: Most power...
C1.1 Which chemicals make up air, and which ones are pollutants? How do I make sense of data about air pollution? The Earth is surrounded by a thin layer of gasses called the ATMOSPHERE. It is about 15km thick. Air forms part of the atmosphere - it is a mixture of...