While we may not be saving the planet anytime soon, every little helps. No matter the size of the business, a difference can be made in reducing carbon emissions by limiting the amount of data included in our emails.
Here is an article by the BBC which doesn’t support our argument very well: https://www.bbc.co.uk/news/technology-55002423
Although the article focuses on larger issues, it does recognise that there is a carbon footprint when it comes to emails (and thus, email signatures). And so with the impressive data to hand, we decided to stop using graphics and imagery in our email signatures.