Conca is showing that all forms of multimodal communication must be used to get the maximum effect for the maximum amount of time. The better organized it is for the reader to understand the message.

The data charge can further help readers understand the situation. By presenting data with visual aid readers can now see the changes that are happening rather than just try to think about them by reading it. Also it creates a better point of argument and persuasive tone by using data charts such as these.

Showing signs of danger that are only prevalent in our time will not work. Conca is suggesting something further than what can written or what can be shown. The message has to present some aura around it to make it more intimidating when giving off cautions. This Aural mode of thinking can come from take elements from both visual and linguistic modes to create a more emphasis to the message someone is trying to portray.

Using a more visual presentation may be more efficient, if we are talking about thousands of years into the future. The use of the visual modal context of the photo shows a universally negative image, even if a person doesn't know the context of the photo, the dark colored imagery and overall negative vibe of the photo shows to anyone what is up ahead is not good.