Dear Leo DiCaprio... Sorry Dude.

This is the appropriate reaction

How to Design Clean and Functional Bar Graphs (GIF)

How to Design Clean Naked Bar Graphs (and Use Less Ink)

Here's a cool little GIF from Dark Horse Analytics about using less "Data Ink" -

Edward Tufte introduced the concept of data-ink in his 1983 classic The Visual Display of Quantitative Information. In it he states “Data-ink is the non-erasable core of the graphic, the non-redundant ink arranged in response to variation in the numbers represented”