Record levels of greenhouse gas concentrations, temperatures, rainfall and glacier loss were experienced last year.

Sometimes, graphs may be combined together. For example, a climate graph and a flood hydrograph both present data using a bar chart and a line graph in a single graph. Although these graphs can ...

Choosing the right graph is very important. Bar charts and line graphs can be combined. Climate graphs are an example of this. The x-axis shows the months of the year and there are two y-axes to ...