Atmospheric climate of a place or a region is the ‘weather’ averaged over large areas and periods, for (say) 20-30 years. Weather refers to atmospheric conditions such as temperature, precipitation, humidity, cloudiness, winds, and pressure, all within a localised area. The long-term averaging of weather has led to certain climate phenomena being presented as trends, such as temperature trends. In this article, global warming and climate change are used as coterminous. The trend in yearly average global temperatures has been increasing over time…