Energy is produced to generate electricity and to keep us warm. Most energy is produced by the burning of fossil fuels, like coal, oil and gas, which release carbon dioxide, a greenhouse gas. Fuel burnt in our cars also releases carbon dioxide. As an individual, you do not have a lot of control on how your energy is produced. However, you can control the way in which you use that energy. Using less energy means less of it needs to be produced. So less carbon dioxide is released into the atmosphere.
We can also help prevent pollution from our own homes which may contribute to acid rain and poor air quality, and increases emissions of carbon dioxide in the atmosphere. Turning off lights when they are not needed and not wasting electricity will reduce the demand for energy. Less electricity will need to be produced and so less coal, oil and gas will have to be burnt in power stations, which means less air pollution and less carbon dioxide!
The main causes of air pollution can be broken down into two distinct categories: natural and human. Natural causes typically include events such as volcano eruptions, dust storms, and forest fires. However, these events occur sporadically. On the other hand, human-caused pollution tends to happen on an ongoing scale. It is largely made up of pollutants emitted from fuel-burning vehicles, factories, waste incineration, smoking, and more.
Walking or cycling whenever you can will be even better, as it does not create any pollution. It will also be good for your body, as regular exercise will keep you fit and healthy.