Alt Text: A computer on a white desk surrounded by houseplants. Pieces of technology are visible on a shelf behind it. Image Credit: SCREEN POST on Unsplash When you start considering the best ways to save energy, IT systems architecture isn’t likely something that you’d immediately consider: all this talk of distant servers and ‘the cloud’ suggests something ethereal and abstract, rather than something physical with a carbon footprint. However, given the ICT sector is responsible for 1.8-3.9% of global greenhouse emissions , this obviously isn’t the case. Given this, we thought we’d explain the concept of ‘green IT’ (otherwise known as green ICT or green computing) and look at some ways that you can make your systems more efficient. What is Green IT? Sleep mode is a ubiquitous part of using a piece of hardware. Whether it’s someone going off to make a cup of tea and finding their laptop locked when they return (me today), a person’s screen going blank when they didn’t interact with a...